Question

A mother's and father's chromosomes contain all the coding necessary for development and personality traits of a fetus. What other factor plays a role in development, even those that are biologically determined?

1. birth weight

2. birth order

3. environment

4. recessive traits

Answer 1

recessive traits .
hope that helps.

Answer 2

From my point of view, it is between birth order and recessive traits. I still think it is recessive traits. My apologies if it is wrong