f chromosomal nondisjunction occurs during meiosis I, what proportionof zygotes formed from the resulting gametes would be aneuploid? (Assume the gametes from the otherparent are normal) a. 0% b. 25% c. 50% d. 75% e. 100%
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f chromosomal nondisjunction occurs during meiosis I, what proportion
of zygotes formed from the resulting gametes would be aneuploid? (Assume the gametes from the other
parent are normal)
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
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- What is the significant events of the stages in Meiosis? (explain in 2-3 sentences)a. Prophase Ib. Metaphase Ic. Anaphase Id. Telophase Ie. Prophase IIf. Metaphase IIg. Anaphase IIh. Telophase IIThe stages of meiosis where independent assortment occurs and crossing over begins, respectively, are Select one: a. Metaphase I and prophase II b. Metaphase II and prophase I c. Metaphase I and prophase I d. Metaphase I and II and prophase I and II1. Given: Adult diploid cell (2n = 8) 2. Show (Illustrate) the condition of the chromosomes during the following events in Meiosis: a. prophase I b. anaphase I c. telophase I d. prophase II e. metaphase II f. anaphase II g. daughter cells at end of telophase II/cytokinesis
- A man who is color blind and has hemophilia and a woman who is neither color blind nor a hemophiliac have a daughter with triple X syndrome (XXX) who has hemophilia and is color blind. Where did the nondisjunction occur? Group of answer choices a. Paternal meiosis II only b. Maternal meiosis II or paternal meiosis I c. Maternal meiosis I or paternal meiosis II d. Paternal meiosis II or maternal meiosis II e. Maternal meiosis II only (b is not the right answer)1. Given: Adult diploid cell (2n = 8) 2. Illustrate the condition of the chromosomes during the following events in Meiosis: a. prophase I b. anaphase I c. telophase I d. prophase II e. metaphase II f. anaphase II g. daughter cells at end of telophase II/cytokinesis2 XX XX 3 09 Identify the process in the diagram above. O a. mitosis O b. interphase O c. nondisjunction O d. meiosis I Oe. meiosis II A genetically male 8-week-old fetus that developed in the absence of testosterone would have O a. one X and one Y chromosome and a female reproductive system 4 XX
- During meiosis, in which stage does crossing over occur? Select one: a. Anaphase I b. Prophase I O c. Metaphase I d. Prophase II O e. Anaphase IIWhich of the following statements are True? There may be more than one answer. Select one or more: a. Mitosis results in 2 haploid cells O b. If a parent cell with 10 chromosomes undergoes mitosis, each offspring cell will have 10 chromosomes O c. At the start of meiosis, a human cell will have 46 chromosomes and 92 chromatids d. The purpose of mitosis is the production of gametes e. In Meiosis, crossing over occurs during Meiosis II f. Meiosis only occurs in the testes and ovariesShown below is a photomicrograph of Rhoeo tradescantia cell undergoing meiosis. Answer the following question for the photomicrograph: a. Identify the cytogenetic abnormality observed (ex. ring, chain, laggard, bridge) b. Identify the meiotic stage in which these aberrations are observed (as shown in the photomicrograph) c. Explain how these aberrations are formed d. Will this result to sterile or fertile gametes? Explain.
- Choose the best matching phrase in the right columnfor each of the terms in the left column.a. meiosis 1. X and Yb. gametes 2. chromosomes that do not differbetween the sexesc. karyotype 3. one of the two identical halvesof a replicated chromosomed. mitosis 4. microtubule organizing centersat the spindle polese. interphase 5. cells in the testes that undergomeiosisf. syncytium 6. division of the cytoplasmg. synapsis 7. haploid germ cells that uniteat fertilizationh. sex chromosomes 8. an animal cell containing morethan one nucleusi. cytokinesis 9. pairing of homologouschromosomesj. anaphase 10. one diploid cell gives rise to twodiploid cellsk. chromatid 11. the array of chromosomes in agiven celll. autosomes 12. the part of the cell cycle duringwhich the chromosomes are notvisiblem. centromere 13. one diploid cell gives rise to fourhaploid cellsn. centrosomes 14. cell produced by meiosis thatdoes not become a gameteo. polar body 15. the time during mitosis whensister chromatids…Identify whether the following terms is related to either mitosis or meiosis or both. 1. Identify whether the following terms is related to either mitosis or meiosis or both. a. mitosis b. meiosis c. both 2. somatic cells/ body cells a. mitosis b. meiosis c. both 3. two genetically similar diploid cellsIn which phase of meiosis does crossing over occur? Group of answer choices A. prophase I B. prophase II C. anaphase II D. metaphase I E. metaphase I