Help me please, this is so hard and I absolutely do not understand

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

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.

you know they are heterozygous for a trait because they have it as jj or jj.