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Alisiya [41]
3 years ago
11

Why does sexual reproduction introduce variety or variation ina species in 3 ways

Biology
1 answer:
shepuryov [24]3 years ago
6 0
Sexual reproduction unlike asexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. Ways in which sexual reproduction introduce a variation in a species are through; crossing over in meiosis, Independent assortment; and Gamete fusion 
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Answer: mitotic phase

Explanation:

The cell cycle has two phases the Interphase and mitosis. Interphase is the growth phase where the cell prepares itself for the cell division. It is divided into three phase G1 phase( Cell growth),S phase ( DNA synthesis) and G2 phase(cell growth).

Mitotic phase has a multiple steps this is where the duplicated chromosomes are aligned or arranged, separated, and move into two new, identical daughter cells(cytokinesis)

The first step in the mitotic phase is called karyokinesis or nuclear division where the chromosomes are separated and move in opposite direction and the second portion of the mitotic phase, called cytokinesis which is the physical separation of the chromatids into the two daughter cells.

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