Crossing over that results in genetic recombination in higher

Home » Advanced Botany » Principles of Inheritance and Variation » Question

Crossing over that results in genetic recombination in higher organisms occurs between

1. sister chromatids of a bivalent
2. non-sister chromatids of a bivalent
3. two daughter nuclei
4. two different bivalents

Correct Option: B

Crossing over occurs between non–sister chromatids of two homologous chromosomes. Homologous chromosomes form bivalent. Crossing over occurs between chromosomes in a nucleus.