Which best explains how a blond-haired child can be born to two parents with black
hair?

A. A mutation occurred in the child's genes for hair color.

B. Both parents, who were blond as children, experienced a darkening of hair color as they aged.

C. Blond hair is always a dominant trait.

D. The child inherited a recessive trait for blond hair from both parents.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

In each transformation of energy , some energy what?