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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

Respuesta :

recessive traits .
hope that helps.
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

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