BIO CHP11

BIO CHP11 - Sexual Reproduction and Meiosis Chapter 11...

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Sexual Reproduction and Meiosis Chapter 11
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2 Mitosis and Meiosis: A Big Picture Making germ cells ( via Meiosis ) allows two cells to fuse into a new unicellular organism ( zygote )...that will become multicellular ( through mitosis )
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3 If these are human, how many DNA molecules are there in each of these three cells?
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4 One Special Type of Cell Lineage in Your Body Makes Germ Line Cells Meiosis is a form of cell division that leads to the production of gametes (in the gonads) gametes : egg cells and sperm cells -contain half the number of chromosomes of an adult body cell Adult body cells ( somatic cells ) are diploid , containing 2 sets of chromosomes. Gametes are haploid , containing only 1 set of chromosomes
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How do We Make a Unicellular Life Form Sexual reproduction includes the fusion of gametes ( fertilization ) to produce a diploid zygote . Life cycles of sexually reproducing organisms involve the alternation of haploid and diploid stages . Some life cycles include longer diploid
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BIO CHP11 - Sexual Reproduction and Meiosis Chapter 11...

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