Practice problem for working backwards: The ability to curl your tongue (T, tongue rolling) is dominant to not being able to roll your tongue (t). A woman who can roll her tongue marries a man who cannot. Their first child has his father's phenotype. What are the genotypes of the mother, father, and child

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.

not always but somethings can be reproduced in a laboratory.