Which of these is an example of a PHENOTYPE? A-an allele for yellow flower color within a flower's genome
B-yellow flower color
C-a gene that tells how big someone's nose will be
D-two identical alleles for nose size

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca