How many different types of gametes can be formed by individuals of the following genotypes: (a) AaBb, (b) AaBB, (c) AaBbCc, (d) AaBBcc, (e) AaBbcc, and (f) AaBbCcDdEe? What are the gametes in each case?

Key Concepts

Gamete Formation

Gamete formation occurs through a process called meiosis, where diploid cells divide to produce haploid gametes. Each gamete carries one allele from each gene, leading to genetic variation. The number of different gametes that can be formed is determined by the combinations of alleles present in the parent genotype.

Independent Assortment

Independent assortment is a principle of genetics stating that alleles for different genes segregate independently of one another during gamete formation. This means that the inheritance of one trait generally does not affect the inheritance of another, allowing for a variety of combinations in the resulting gametes.

Punnett Square

A Punnett square is a diagram used to predict the genetic makeup of offspring from parental genotypes. It helps visualize the combinations of alleles that can occur when gametes fuse during fertilization. By setting up a Punnett square for each genotype, one can easily determine the types and numbers of gametes produced.