10. Sickle cell anemia is a recessive disease. A man and woman both have the disease. What are the probabilities of the phenotypes and genotypes of their offspring?

There's also a 50 percent chance that they will be a carrier. Lastly, there's also a 25 percent chance that their children won't carry the allele at all.

Explanation:

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both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.