Final answer:
The individual with the genotype CcDd can produce four types of gametes: CD, Cd, cD, cd. Each gamete has an equal chance of occurring, and thus the probability of producing a CD gamete is 25%.
Step-by-step explanation:
The individual with the genotype CcDd can produce four types of gametes due to independent assortment during meiosis, CD, Cd, cD, and cd. The probability of producing a CD gamete is 0.25 or 25%, as each allele segregates independently from others during the formation of gametes in sexual reproduction.
Let's use the Punnett square method to display the probabilities. For allele C, the possible combinations are C or c and for allele D, are D or d. Combining them, you get CD, Cd, cD, and cd. Hence, each combination has an equal likelihood, 1 out of 4, or in decimal terms, 0.25 or 25%.
This independent assortment of alleles is a principle derived from Mendel's law of independent assortment, stating that the alleles for each trait segregate, or assort, independently from each other trait during the formation of gametes.
Learn more about genotypic probability