what is an allele A. an organism that lives in eukaryotes b. a group of chromosomes c. a chromosome that determines gender d. a gene that causes specific trait

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from