If a person with type a blood is transfused with blood type o, he will a. die of aids b. require a heart transplant c. have received a successful transfusion d. be unable to make his own blood cells

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Climate like that in the sahara desert have the fastest rates of weathering

How many autosomes are in this human karyotype? how many sex chromosomes?