Question

What is crossing over? Give its significance.

Answer 1

Crossing Over on the Chromosomes: Mechanisms, Kinds, Factors andSignificance! Crossing over is the process of exchange of genetic material or segments between non-sister chromatids of two homologous chromosomes. Crossing over occurs due to the interchange of sections of homologous chromosomes.

Answer 2

Answer:

Crossing over:

• The process of exchange of genetic material between non-sister chromatids of homologous chromosomes is known as crossing over.

Significance of crossing over:

• Crossing over results in genetic recombination of parental characters that leads to variations.