A cell that enter meiosis A) must be a haploid cell. B) must be a diploid cell.

Question

A cell that enter meiosis A) must be a haploid cell. B) must be a diploid cell. C) can be a haploid or a diploid cell. In grasshopper, males have XO as sex chromosomes, and females have XX. Which statement is true? A) The male is the homogametic sex. B) The female is the homogametic sex. C) The male arises from unfertilized eggs. D) The female arises from unfertilized eggs. Which structure of the eukaryotic chromosome is the attachment point for the spindle microtubules during M phase? A) The centromere B) The kinetochore C) The origin of replication D) Both A and B A cell that has acquired damage to some of its DNA will be stalled at the ____ in the cell cycle A) G1 B) S C) G2 D) S/G2 checkpoint E) G2/M checkpoint Which of the following events of meiosis creates genetic variation among the gametes? A) Crossing over B) Random assortment of maternal and paternal chromosomes C) Distribution of differing numbers of chromosomes to daughter cells D) Both a and b E) All of the above If the protein shugoshin is missing in an organism, it could cause failure of homologous chromosomes to pair in meiosis. failure of sister chromatids to separate during anaphase of mitosis. failure of sister chromatids to separate during anaphase I of meiosis. premature separation of sister chromatids during anaphase I of meiosis.

Explanation / Answer

20) As meiosis is a reductional division (reducing the chromosome number to half), cell entering meiosis must be diploid.correct option is B

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