Which statement is accurate about dominant alleles? (1 point) O They are expressed whenever present.
O They are indicated by lowercase letters.
O They result in the trait of shortness in pea plants.
O They are expressed only when a recessive allele is not present.

I believe it would be A "They are expressed whenever present."

Explanation: Dominant alleles always show up, in the F1 generation the recessive allele are masked.

chemical weathering

explanation:

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).