10. Which one of the st A) M ?In meios cus in reproductivecells. pairs of chromo
ID: 261782 • Letter: 1
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10. Which one of the st A) M ?In meios cus in reproductivecells. pairs of chromosomes are p C1OS?S following statements is not true about meiosis? E) Meio us results in four haploid daughter cells. se do not exchange genetic material. D) In meiosis, homologous pulled apart. E) All of the statements are true. The diploid number of chromosomes in humans is 46. The haploid number is C46 A)204 D)23 12. Synapsis is the process whereby O homol romosomes separate and migrate toward a pole. B) homologous Chromosomes exchange chromosomal material. C) homologous chromosomes closely associated. D) the daughter cells contain hal If of the genetic material of the parent cell. 13. Mitosis results in woloid two haploid cells. cells, while meiosis results in A) haploid/four D) haploid/two 14. Mitosis is comparably closer to meiosis 2 than meiosis I true B) false 15. Each duplicated chromosome prior to division will be held together at a region called the A) synapsis B)tet rad C)chromatid centromere E)cross over 16. Cytoplasmic division of a cell is called A) mitosis B) meiosis cytokinesis D) synapsis 17. Which of the following is correct for the sequence of mitosis A) interphase metaphase prophase telophase anaphase 8) interphase prophase metaphase anaphase telopbase C) prophase metaphase interphase anaphase telophase D) telophase anaphase metaphase prophase interphase 18. What is the sugar molecule found in DNA? A) riboseSphosphatase C)deoxyribose D) oxyribose E)polymerase 19. DNA is packed in proteins referred to as chromosomes. B) bistones. C) chromatin. D) protein. E) nucleosomes 20. Which of the following is not found in DNA? A) guanine uracil C) deoxyribose D) thymine E) phosphate F) cytosine 21Complementary base pairing A) occurs between adenine and cytosine. B)takes place between sugars and phosphates on the hwo strands in a helix C) requires hydrogen bonds. D) guanine and cytosine OC and D are correctExplanation / Answer
11) the haploid no of chromosome is 23 pairs while the diploid is 46..
12) the correct option is option (c) synapsis is the process when two homologous chromosome comes closer to each other in the zygotene phase of meiosis - 1 where after that they will exchange the genetic material...
13) the correct option is option (c) mitosis give 2 diploid cells 2n whereas meiosis gives 4 haploid cells n...
14) the correct option is option (a) true meiosis - 2 is similar to the mitosis where every step is same..
15) the correct option is option (d) Centromere where the chromosome are attached..
16) the correct option is option (c) cytokinesis...
17) the correct option is option (c)
18) the correct option is option (a) ribose is the five chain sugar molecules which are present in the DNA..
19) the correct option is option (e) nucleosomes where the DNA are completely packed and wrapped around the histone protein hence packaging is done..
20) the correct option is option (b) uracil instead of that it have thymine .
21) the correct option is option (e) both C and D are correct where G combine with C with three hydrogen bonds and A with T by two hydrogen bonds
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