Why is dna referred to as your genetic fingerprint? ?

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

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?

People with one sickle cell allele are not likely to get malaria. what is this an example of?