What is the result of meiosis?

Study for the Breeding and Genetics Exam 1. Sharpen your skills with engaging questions, hints, and detailed explanations. Master key concepts and prepare to excel.

Multiple Choice

What is the result of meiosis?

Explanation:
Meiosis is a two-step division that reduces chromosome number and generates genetic diversity. After one round of DNA replication, homologous chromosomes pair and exchange genetic material (crossing over) in prophase I. Then: - Meiosis I splits homologous chromosome pairs, cutting the chromosome number in half (from diploid to haploid). - Meiosis II splits the sister chromatids, similar to mitosis but starting from a haploid set, resulting in four separate cells. The final products are four haploid daughter cells, each with one chromosome from each original homologous pair. In humans that means 4 cells, each with 23 chromosomes. This contrasts with mitosis, which yields two diploid, genetically identical daughter cells.

Meiosis is a two-step division that reduces chromosome number and generates genetic diversity. After one round of DNA replication, homologous chromosomes pair and exchange genetic material (crossing over) in prophase I. Then:

  • Meiosis I splits homologous chromosome pairs, cutting the chromosome number in half (from diploid to haploid).

  • Meiosis II splits the sister chromatids, similar to mitosis but starting from a haploid set, resulting in four separate cells.

The final products are four haploid daughter cells, each with one chromosome from each original homologous pair. In humans that means 4 cells, each with 23 chromosomes. This contrasts with mitosis, which yields two diploid, genetically identical daughter cells.

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