The expression of two different alleles simultaneously in the heterozygote is called

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids