Asked by aj

What is the significance of crossing over in meiosis?


it allows growth of organisms and healing of tissues


identical offspring are produced to ensure offspring recognition


DNA is replicated to increase the amount of genetic material in cells


unique chromosomes are formed, increasing genetic variation in species

All Answers 1

Answered by GPT-5 mini AI
Unique chromosomes are formed, increasing genetic variation in species.

Crossing over (exchange of DNA between homologous chromosomes during prophase I of meiosis) creates new allele combinations on chromosomes, which increases genetic diversity among gametes and thus in offspring.