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15 Cards in this Set
- Front
- Back
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Gonads/Gametes
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Testes and ovaries/ Sperm and eggs.
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The process by which sperm and egg are created is called _______
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Meiosis
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Homologous chromosomes
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Chromosomes that code for the same trait.
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Tetrad
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Chromosome with homologous partner lined up side by side.
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Crossing over
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Genetic information is exchanged when tetrads form.
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Spermatogenesis
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Production of sperm (process through which meiosis occurs to form sperm)
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Spermiogenesis
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Process through which sperm is formed from spermatids (undergo changes, loses cytoplasm, gains flagella, and acrosome.)
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What results at the end of Meiosis II in post-pubertal male?
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4 spermatozoa
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Spermatogenesis begins with _____
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spermatogonia (diploid--replenish themselves by mitosis)
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When does oogenesis begin?
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In the third prenatal month.
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At the end of meiosis I, are the resulting cells diploid or haploid?
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Haploid
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How many eggs result at the end of meiosis in the female?
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One egg--it remains in metaphase II until fertilized.
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What phase of meiosis does the female egg remain in until fertilized?
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Metaphase II
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In males, meiosis begins with one ____ and ends with four ____.
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Spermatogonia/ spermatids.
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Meiosis is the development of a _____ to a _____, while spermiogenesis is the development of a ______ to a ______.
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spermatogonia to spermatid/ spermatid to sperm.
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