How does Earth's mass affect life on the planet?​

Typically, the more massive the planet, the more massive the atmosphere it can acquire and maintain. This is important because the mass of a planet's atmosphere will directly influence its climate. The location of the “habitable zone” around a star will therefore be a function of the mass of the planet in question.

Explanation:

answer; a male inherits only one allele of the x-linked gene controlling hair color;

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.