How are the egg and sperm produced?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

How are the egg and sperm produced?

Explanation:
Meiosis is the process that produces egg and sperm. It halves the chromosome number, creating haploid gametes from diploid germ cells through two rounds of division, with genetic material shuffled by crossing over to increase variation. This is how eggs (in ovaries) and sperm (in testes) are formed—oogenesis and spermatogenesis are the human examples of meiosis. Cloning would produce identical copies and isn’t about gamete formation. Mitosis makes identical diploid body cells, not haploid gametes. Fertilization is the fusion of gametes, not their production.

Meiosis is the process that produces egg and sperm. It halves the chromosome number, creating haploid gametes from diploid germ cells through two rounds of division, with genetic material shuffled by crossing over to increase variation. This is how eggs (in ovaries) and sperm (in testes) are formed—oogenesis and spermatogenesis are the human examples of meiosis. Cloning would produce identical copies and isn’t about gamete formation. Mitosis makes identical diploid body cells, not haploid gametes. Fertilization is the fusion of gametes, not their production.

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