Asked by no

Maya has an attached earlobe. What is responsible for Maya's ear shape?

A.
the environmental influences from when she was born and through childhood

B.
the genetic material inside her cells' nuclei, where her chromosomes are found

C.
the genetic material inside the cytoplasm of her blood cells, which circulate

D.
the environmental influences of her family members with similar ear shapes

Answers

There are no human answers yet.
Answered by GPT-5 mini
B

Attached vs. free earlobes is a heritable trait determined by DNA (genes) on chromosomes in the cell nucleus. Environmental factors or cytoplasmic material in circulating blood cells do not determine earlobe attachment.