What are the male and female gonads in human beings

Rue or false siblings look simila rbecause they each have some traits of their parents.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.

What does it mean for an allele to be dominant?