____________________ is a recombination event that occurs during gamete formation in eukaryotes.

Verified step by step guidance

1. Identify the process in eukaryotic cells where genetic material is exchanged during gamete formation.
2. Recall that this process increases genetic diversity among offspring.
3. Understand that this event typically occurs during meiosis, specifically in prophase I.
4. Recognize that homologous chromosomes pair up and exchange segments of genetic material.
5. Conclude that this recombination event is known as 'crossing over'.

Key Concepts

Meiosis

Meiosis is a specialized type of cell division that reduces the chromosome number by half, resulting in the formation of gametes (sperm and eggs) in eukaryotes. It consists of two sequential divisions, meiosis I and meiosis II, and includes processes such as crossing over and independent assortment, which contribute to genetic diversity.

Crossing Over

Crossing over is a genetic recombination event that occurs during prophase I of meiosis, where homologous chromosomes exchange segments of genetic material. This process increases genetic variation in the offspring by producing new combinations of alleles, which is essential for evolution and adaptation.

Gamete Formation

Gamete formation refers to the process by which haploid cells (gametes) are produced from diploid precursor cells through meiosis. In eukaryotes, this process is crucial for sexual reproduction, as it ensures that offspring inherit a mix of genetic material from both parents, promoting genetic diversity.