meiosis occurs during all of the following except

Meiosis occurs during all of the following EXCEPT. C. It regularly produces a wider array of adaptations to the external environment in a shorter period of time. Crossing over occurs in prophase I of meiosis and metaphase of mitosis. Normal female 2n offspring result without fertilization. Based on this information, determine which of the following statements are true. The polar body is . D) During anaphase I of meiosis, the homologues pairs separate; during anaphase of mitosis, the homologous pairs stay together. C)spermatogenesis. In human females, when is meiosis II completed? Identify which event will occur during Prophase I of meiosis but does not occur during prophase of mitosis. d. only A and B are correct. The desert is relatively uniform and there is little advantage to maintaining variation, but the animal has not been able to completely evolve away from its heritage of sexual reproduction. C. Interphase involves DNA replication and interkinesis does not. c. a fertilized egg is known as a zygote B) a precursor cell that becomes an egg cell. in plants, spindle fibers are attached to the centriole. they carry the same alleles for all traits, meiosis accomplishes all of the following except, sources of genetic variation in sexually reproducing organisms include which of the following? It is not true that anaphase I occurs in a haploid cell while anaphase II occurs in a diploid cell. B. There are two main types of cell divisions: meiosis and mitosis. ; Once movement is complete, each pole has a haploid number of chromosomes. What is the probable evolutionary mechanism for this occurring? Meiosis I is known as reductive division, as the cells are reduced from being diploid cells to being haploid cells. Find the slope of the secant line in part (a), and interpret your answer in terms of an average rate of change over the interval. Crossing over is a cellular process that happens during meiosis when chromosomes of the same type are lined up. The following are the events happen during Meiosis I EXCEPT: A. Synapsis occurs only in meiosis I. c. fertilization Animal cells form a cell plate during cytokinesis while plant cells do not, What is the result of a cell not meeting the criteria to pass the G1 checkpoint? If a parent cell has 48 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis occurs? B) They use sexual reproduction to produce new offspring. It is the first stage of mitosis. Which of the following is NOT a difference between anaphase I and anaphase II? The function does not include growth of the individual. It increases the likelihood that daughter cells contain different genetic material. e. only B and C are correct. There is a species of desert lizard where only females are known to exist-there are no males known. D) prophase II Which stage of the cell cycle focuses on cell growth, replication of organelles and the accumulation of material for synthesizing DNA? B) oogenesis. False. A) The haploid phase can be larger than the diploid phase. Meiosis accomplishes all of the following EXCEPT C) spermatogenesis. A. During which phase of mitosis and meiosis will the state of the chromosome be the same? D. It is the first stage of mitosis. D) testes The cell formed through fertilization of an egg by a sperm is called a/an. S phase, the cell undergoes DNA replication. Which of the following steps would NOT lead to variation of genetic material? Before the time of Gregor Mendel and genetics, sexual reproduction was thought to produce a blending or equal mixing of the parents' traits. It occurs only before Meiosis I. there is no interphase between Meiosis I and Meiosis II. two daughter cells at completion. 3. A) During metaphase I of meiosis, the bivalents are present at the metaphase plate; during metaphase of mitosis, the duplicated chromosomes are at the metaphase plate. usually an exchange of material between nonhomologous chromosomes. Meiosis occurs during all of the following EXCEPT Which of the following statements is true about the life cycle of animals? D) a structure that holds together homologues during crossing-over True or False, sex chromosome aneuploids are better tolerated and have a better chance of producing survivors C. Spermatogenesis in males results in four functional sperm while oogenesis in females results in only one egg and three structures that contain genetic information that is lost when they disintegrate. All of the choices are true about sexual reproduction. it is subdivided into meiosis I and meiosis II. When the environment changes, then In preparation for meiosis, a germ cell goes through interphase, during which the entire cell (including the genetic material contained in the nucleus) undergoes replication. During metaphase of mitosis the duplicated chromosomes are at the metaphase plate while during metaphase I of meiosis the bivalents are present at the metaphase plate. Before a dividing cell enters mitosis, it undergoes a period of growth called interphase. D. growth of the overall individual. Neither A B. 48 C. 112 D. 24, Which of the following statements is correct about the chromosomal position during mitosis and meiosis? A. \end{aligned} Identify which event will occur during prophase I of meiosis but does not occur during prophase of mitosis. D)A,B,and C all involve meiosis. Encircle the letter of your choice. Which is NOT true about daughter cells of mitosis or meiosis? offspring inherit essentially 50% of their genes from each parent, but two sibling offspring may share with each other from zero to 23 chromosomes in common from each parent, and further variation may occur due to crossing-over. A. Anaphase II and Anaphase B. Prophase II and Prophase C. Metaphase I and Metaphase D. Telophase I and Telophase. D) Interkinesis can be variable in length. E) penis. C. Each homologue's centromere splits to form two chromosomes. b. oogenesis polyploids with chromosomes derived from different species, deletion of a gene for transcription factor active in the central nervous system, What is used to confirm Cri-du-chat syndrome, under developed larynx and severe mental retardation, CF diagnosis in children is usually made how, either because of malabsorption of food leading to failure to thrive or reoccurring respiratory infections, What disease kills more children than any other disorder, Most male CF patients are sterile because, CF patients show a ____________________ insufficiency, the pancreatic insufficiency in CF patients causes what, food to be poorly absorbed because the pancreatic enzymes fail to reach the intestines, a drug that increases the movement of CTFR to the cell surface or ivacaftor, for a specific mutation it alters protein folding, where a diploid organism has only a single functional copy of a gene and the single functional copy of the gene does not produce enough gene product to bring about a wild-type condition, p is the _______________ arm on a chromosome, q is the _______________ arm on a chromosome, # chromosomes, sex chromosomes, autosomal abnormality, t/f: Down syndrome is the most common chromosomal abnormality, the major gene impacting downs syndrome is on, meiotic non disjunction leading to trisomy 21 The polar body is. During which stage of grief do people make a promise to change if what was lost can be returned? Normal human sperm and eggs are similar in which one of the following respects? All of the choices are sources of genetic variation. A. crossing over B. nuclear envelope dissolves C. chromatin condenses into chromosomes D. centrioles appear in animal cells, During _______________ the homologous chromosome pairs separate in a random fashion leading to genetic diversity among the offspring. Gastrulation is the first major process that occurs during prenatal development. Primary nondisjunction occurs during meiosis II when the sister chromatids fail to separate and both daughter chromosomes go in the same gamete. Meiosis I. Meiosis is preceded by an interphase consisting of the G 1, S, and G 2 phases, which are nearly identical to the phases preceding mitosis. If a cell contains 12 chromosomes at the end of meiosis I, how many chromosomes will the daughter cells contain at the end of meiosis II? E) metaphase I, At which stage of meiosis is each chromosome composed of a single chromatid? asexual . C) it is the most common trisomy in humans. A lattice holds the members of a bivalent together in such a way that the RNA of the nonsister chromatids is aligned. which trisomies are the ones that survives to term? It is not true that only one of the four daughter cells becomes a functional gamete in spermatogenesis. species Y should have a better chance of surviving than species X. c. CH3COOH\text{CH}_{3}\text{COOH}CH3COOH and NaCH3COO\text{NaCH}_{3}\text{COO}NaCH3COO. During which stage of meiosis does crossing over occur? A. It provides extra genetic material for the daughter cells. Which of the following serves as the first site of blood formation in the embryo? All of the following statements about mitosis and meiosis are true, except which? False The correct number of chromosomes in a species is known as euploidy. Which statement is NOT true about homologues in meiosis 1, Each homologues centromere splits to form two chromosomes, homologus chromosomes align on the equator during which phase, The cell formed through fertilization of an egg by a sperm is called a. What process is occurring in the figure? Figure 1. B. Triploid and aneuploid Sources of genetic variation in sexually reproducing organisms include(s) which of the following? DNA replication occurs once prior to mitosis and twice prior to meiosis. C. Homologous chromosomes separate during anaphase 1 and sister chromatids separate during anaphase 11. In meiosis, there are four daughter cells. Meiosis occurs during gametogenesis, oogenesis, and spermatogenesis. D) growth and repair. sperm and egg are reproductive cells that are collectively referred to as, which term refers to the failure of homologous chromosomes to separate during meiosis, crossing over occurs between the two sister chromatids of a homologue It could be said that males are able to provide gametes with more genetic diversity than females for reproduction. A) independent assortment Which stage is most associated with a cell that is unable to divide again such as a muscle or nerve cell? A. C) During prophase II of meiosis, the homologous chromosomes cross-over; there is no crossing-over during prophase of mitosis. A) 26 A. prophase I of meiosis I B. anaphase I of meiosis II C. telophase I of meiosis I D. prophase II of meiosis II E. anaphase II of meiosis I. Homologous chromosomes are similar in all of these characteristics EXCEPT: A. similar in size. B) species Y should have a better chance of surviving than species X. a segment of the chromosome is duplicated, What is an example of evolution by gene duplication, evolution of the global genes from myoglobin, t/f: CNVs are a part of normal genomic variation, a segment of the chromosome is turned 180 degrees, paracentric inversions result in what products, pericentric inversions result in what products, which inversion is unstable so the risk of abnormal offspring is low, which inversion is viable depending on the size of the segments involved, segmental duplications involve how many base pairs, How does change in gene dose effect phenotype, What is the second most common form of genetic mental retardation, constrictions on a chromosome, areas where a chromosome is pinched in, elongated facial features, huge testes, large protruding ears, Trinucleotide repeat mutation is in what gene, Trinucleotide repeat mutation increases in _________ meiosis but is stable/decreases in __________ meiosis, intermediate repeat number classification, not affected but unstable, could eventually expand to premutation and then full mutation, pre-mutation repeat number classification, carrier and at risk for expansion in next generation females, full mutation repeat number classification, gene is methylated and inactive; confirms diagnosis of fragile X, both premutation (unmethylated) and full mutation present (methylated), can the severity of symptoms of mosaic repeat number classification be predicted, usually trims followed by loss of one chromosome early in development, what is an example of uniparental disomy in imprinting, is it rare for a triploidy to survive to birth, a study of a large number of people over a period of time, Why were people pakistani in the born in bradford study, because they have a history of mating between relatives and its common for them to have diabetes, Unit 4: Cell Communication & Cell Cycle Ap Bi, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, WSU Bio 107 Section 3 Pre-Exam and Daily Quiz. Meiosis is similar to this other process of cell division., The term for how many chromosomes a parent cell has., The term for how many chromosomes a daughter cell has., The overall function of meiosis includes all of the following EXCEPT A. gamete production. Meiosis occurs in the primordial germ cells, cells specified for sexual reproduction and separate from the body's normal somatic cells. At the end of anaphase 1, each chromosomeis composed of to chromatids and at the end of anaphase 11, sister chromatids have separated. B) They carry the same alleles for all traits. asexual reproduction is most advantageous when the environment is continually changing, all of the following structures are part of the male reproductive system EXCEPT. Correct answers: 1 question: All of the following occur during the krebs cycle except: i. acetyl-coa combines with oxaloacetate to form citrate. Species X reproduces asexually by fission and species Y reproduces sexually. by uneven crossing over during meiotic prophase. the consumption of alcohol during pregnancy is a leading cause of birth defects E. All of the choices are true. Explain. Normal female 2n offspring result without fertilization. C. Familial Down syndrome D. A. Trisomic and polyploid During which stage of meiosis does crossing-over occur? Which does NOT occur in meiosis? Which statement is NOT true about mitosis? B) prophase II and prophase Monosomy occurs when an individual has only one of a particular type of chromosome. At which stage of meiosis is each chromosome composed of a single chromatid? A) gametogenesis. C) fertilization In humans, body (or somatic) cells are diploid, containing two sets of chromosomes (one from each parent). A. independent assortment B. metaphase C. anaphase II D. mitosis, If the diploid number of chromosomes for an organism is 52, what will the haploid number of chromosomes be? Animal cell because they have cleavage furrow and plant cells do not. D. spermatogenesis. Which stage would show the development of the ectoderm and endoderm germ layers? Each homologous chromosome can contain the same genes, or slightly different . 17. B. There is no such reduction in ploidy level in mitosis. C) Meiosis produces four identical gametes, either egg or sperm. C. Crossing over occurs. d.) chromosomes replicate. Select all that apply. The mechanics of meiosis II is similar to mitosis, except that each dividing cell has only one set of homologous chromosomes. 2020-2023 Quizplus LLC. D. This is probably an asexual organism attempting to mimic sexual reproduction. T/F Duplications and deletions can be detected during meiosis by the presence of extrachromosomal loops that do not pair properly with their homolog. 19. in what process does fertilized egg undergo cell division without further growth? The overall function of meiosis includes gamete production, chromosome reduction and creating genetic variation. . Interkinesis is different from interphase in which way? It is nevertheless necessary for two females to court and for one to assume the posture of a male to stimulate the female to produce eggs. B) structures that hold the chromosomes in alignment on the metaphase plate B. A. Cri du chat syndrome a. the chromosome copies attach to the plasma membrane and are pulled apart by cell growth Jacobs syndrome, XYY, results from nondisjunction during spermatogenesis. It happens in all of the tissues except the brain and spinal cord. D) prophase II B. Meiosis involves two rounds of cell division and produces four non-identical . Of C. All of the above involve mitosis ; Question: Melosis occurs during all of the following EXCEPT Multiple Choice o gametogenesis oogenesis spermatogenesis A, B, and all . E) telophase I, During which stage of meiosis do the homologous chromosomes separate? Meiosis is further divided into meiosis I and meiosis II. Homologous chromosomes are similar in size, carry genes for the same traits, and are similar in shape and centromere location. Which of the following would NOT contribute to genetic variation? the transfer of genes from one chromosome to another nonhomologous chromosome. A. Which is NOT true about daughter cells of mitosis or meiosis? Identify the correct statement amongst the following: 1. can nonreciprocal translocation be balanced, an even exchange of material with no genetic information extra or missing, and ideally full functionality, where the exchange of chromosome material is unequal resulting in extra or missing genes. pyruvate is converted into acetyl-coa v. carbon dioxide, nadh, and fadh2, and atp are reactants. Tagged with botany, biology, meiosis. have the same amount of DNA and the same number of chromosomes as all other cells of the organism and develop from the same basic stem cells. (3) Domestication by man. Ed Reschke/Photolibrary/Getty Images. iii. An airplane is made invisible to radar by coating it with a 5.005.005.00-mm-thick layer of an antireflective polymer with the index of refraction n=1.50n=1.50n=1.50. E. In meiosis, the daughter cells are genetically identical. A change in the chromosome number resulting from nondisjunction is called euploidy. A) crossing-over in prophase I of meiosis Explore our library and get Introductory Biology Homework Help with various study sets and a huge amount of quizzes and questions, Find all the solutions to your textbooks, reveal answers you wouldt find elsewhere, Scan any paper and upload it to find exam solutions and many more, Studying is made a lot easier and more fun with our online flashcards, Try out our new practice tests completely, 2020-2023 Quizplus LLC. Before the time of Gregor Mendel and genetics, sexual reproduction was thought to produce a blending or equal mixing of the parents' traits.

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