Meiosis creates gametes (eggs and sperm) with only a single chromosome set (haploid or n) from parental cells with two chromosome sets (diploid or 2n). During fertilization, the haploid sperm (n) and egg (n) fuse, producing a diploid zygote (2n). The cells of the zygote then divide by mitosis (which does not change the ploidy level) to produce an adult organism (still 2n) of the next generation.
<span>In sexual life cycles, meiosis and fertilization keep the number of chromosomes constant from generation to generation. </span>
Answer:
bbbc
Explanation:
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Answer:
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Explanation:
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