Cullen and his three brothers all have brown hair.

Question

Cullen and his three brothers all have brown hair.

Cullen’s father has brown hair too.
Cullen’s mother, however, is the only family member that has red hair color.
What conclusion can you draw about the gene for hair color?

Answer 1

Cullen and his three brothers all have brown hair.

Based on this information, it can be concluded that the gene for brown hair color is dominant over the gene for red hair color.