Which microscope uses a probe to map atoms on the surface of a specimen? transmission electron microscope compound light microscope scanning electron microscope scanning tunneling microscope

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.