Genes A and B are on the same chromosome.If a person has one chromosome with the alleles AB and a second chromosome with the alleles ab,how could they produce a gamete with a chromosome containing the alleles Ab or aB?

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Crossing over is a process of genetic recombination that occurs during meiosis. It leads to the exchange of chromosomal segments between homologous chromosomes, which can result in the production of gametes containing different combinations of alleles than those found on the original chromosomes. In this case, crossing over between the A and B alleles on one chromosome and the a and b alleles on the other chromosome could create gametes with the Ab or aB combinations.

Genes a and B Are on the Same Chromosome