Question

9 the form of a gene that is always expressed if present is the ______ form. a dominant b recessive c heterozygous d homologous

Explanation:

To solve this, we recall genetic concepts: A dominant allele (or gene form) is expressed when present (even in heterozygous state). Recessive is expressed only in homozygous recessive. Heterozygous refers to having two different alleles, and homologous refers to chromosome pairs. So the gene form always expressed if present is dominant.

Answer:

A. dominant