zed representation of the cl mitosis. K) None of material following that has 14
ID: 217004 • Letter: Z
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zed representation of the cl mitosis. K) None of material following that has 14 sets of chromosoenes, How many chromatids would this cell sex determination in many sexually reproducing organisms? Turner syndrome. E R Yow are sying a diploid orgamism t have in G2 phase ?N568)28C)14D) 7 hromosomes 8) autosomesex chromosomes D) diploid E) haplotd S Nomdisjumction may cause A) lacebs symdrome 8) Klinefelter syndrome. C) trisomy 21. D) the mitotic spindle is the A) centrosome. B) centromere. C) &. The stucture that organizes the protein subunits of kinetochore. D) microfilaments. E) cytoskeleton e 7. Which of the following indicates the correct order of these events? A) Prophase - ometaphase Metaphase Anaphase Telophase 8) Metaphase Prometaphase - Prophase phase Anaphase D) Anaphase Telophase Anaphase Telophase C) Prophase-Prometaphase- Metaphase Prometaphase Prophase Meta t. The physical structure that is formed when two chromatids cross over is called a(n) A)chiasma B) bivalent C) karyotype D) synaptonemal complex 9. The geneties researcher who discovered X-linked inheritance patterns by studying fruit flies was Thomas Hunt Morgan. A. True B. False 10. X-linked recessive disorders affect more females than males A. True B. Palse I I. The process of crossing over occurs during which phase of meiosis? A) Leptotene B) Diakinesis C) Diplotene D) Pachytene E) Zygotene 12. You are studying a diploid organism that has 14 sets of chromosomes. How many chromatids will a cell from this organism have in metaphase of meiosis 11? A) 7 B) 14 C) 56 D) 28 13. The chromosomal structure to which spindle fibers attach during the mitotic divisions is referred to as a A) metaphase plate. B) kinetochore. C) centrosome. D) centromere. E) chromatid. 14. He re is a list of meiotic events in no particular order. A Segregation of homologous chromosomes to opposit Segregation of sister chromatids to opposite poles. C Alignment of homologous pairs on the midplate o cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus What is the correct order of events? A) EDCBA B) DCABE C) DCEBA D) EDCAB E) CDEAB is in animals is . A) two haploid cells B) four diploid cells C) four haploid cel two diploid cells E) None of the answers are correct d Males with one copy of an X-linked gene are said to befor that gene. A) heteroallelic B) hemizygo mozygous D) deficient E) heterozygousExplanation / Answer
Q4. c Sex chromosomes
Q5. trisomy 21 or down syndrome
Q6. a centrosome
Q7.a prophase prometaphase metaphase anaphase telophase.
Q8.a chiasma
Q9. false - The first sex-linked gene ever discovered was the "lacticolor" X-linked recessive gene in the moth Abraxas grossulariata by Leonard Doncaster. A X chromosomes in drosophila was discovered by T H Morgan.
10. false - males experience more severe symptoms of the disorder than females. X-linked recessive disorders are also caused by mutations in genes on the X chromosome.
11.crossing over takes place in pachytene
12. A 07 -in meotic metaphase the number of chromosome will be 14 in metaphase I and 07 in Metaphase II.
13. A kinetochore
15. c - 4 haploid cells
16.b hemizygous
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