16) In a life cycle of humans, meiosis, fertilization, and mitosis alternate to

Question

16) In a life cycle of humans, meiosis, fertilization, and mitosis alternate to maintain the number of chromosomes. Which of the following is true regarding different stages of the life cycle and the change of chromosome number? a) Meiosis: diploid to haploid b) Fertilization: haploid to diploid c) Mitosis: haploid to diploid d) A and B e) B and C

17) There are 32 chromosomes in the egg Equus caballus, how many chromosomes should be in its somatic cell? a) N=16 b) N=32 c) 2n=32 d) N=64 e) 2n=64

18) Which two cells would be more genetically similar to each other? a) Two gametes produced by the same person. b) Two somatic cells produced by the same person. c) Two eggs produced by the same person. d) Two zygotes from the same set of parents. e) Two sperm cells from the same person.

19) The following events are common to mitosis and meiosis except for _______. a) DNA replication precedes cell division. b) DNA condenses during cell division. c) Homologous chromosomes segregate. d) Sister chromatids segregate. e) Cytokinesis occurs at the end of cell division.

Explanation / Answer

Answers:

Q16). d

Q17). e

Q18). b

Q19). c

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