Question

in addition to mutations, genetic variation can also arise during the formation of gametes during meiosis. during meiosis i, homologous chromosomes can randomly exchange segments, in a process called crossing - over. this trading changes the order of the genes in the dna and on the chromosomes. exchanged material is integrated into the rest of the chromosome’s dna. each chromosome loses some dna and gains some dna. as a result, there are more genotypes in the offspring. 2. what function does recombination by crossing - over have in genetic variation? type your answer here.

Explanation:

Cross - over during meiosis exchanges gene - segments between homologous chromosomes. This changes gene order and integrates new DNA, increasing genetic variation by producing more genotypes in offspring.

Answer:

Recombination by crossing - over increases genetic variation by changing the order of genes on chromosomes and producing more genotypes in offspring.