Question

6) Choose the best answer.

A situation in which a gene has more than two alleles is a _____________.

triploidy

multiple-allele series

polyploidy

pleiotropy

7) Matching.

genes change how another gene expresses a trait while the
genes start or stop another gene's expression.

8) Choose the best answer.

__________ requires environmental influences for the gene to be expressed in the phenotype.

Intermediate expression

Incomplete penetrance

Polygenic

Answer 1

6) multiple-allele series

7) Modifier genes change how another gene expresses a trait while regulatory genes start or stop another gene's expression.

8) Incomplete penetrance