Chapter 13 - Biology Test

Last update by Shanal on 10/23/2013
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Nearly all life cycles have both haploid and diploid phases. Usually, the transition from haploid to diploid takes place _____.

1. During crossing over at meiosis
2. When DNA is replicated during the S phase of the cell cycle
3. When mitotic cytokinesis occurs
4. At fertilization when gametes fuse
5. during gastrulation



Answer:
4. At fertilization when gametes fuse

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    What is the function of meiosis?

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    An organism has a haploid chromosome number n = 4. How many tetrads will form during meiosis?

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