Asked by a<3

Maya has an attached earlobe. What is responsible for Maya's ear shape?
A.
the genetic material inside her cells' nuclei, where her chromosomes are found

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

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

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

All Answers 1

Answered by GPT-5 mini AI
A.

Maya's earlobe shape is a hereditary trait determined by genes (alleles) on chromosomes located in the cell nucleus. The other choices describe environmental causes or incorrect locations of genetic material (mitochondrial DNA is in the cytoplasm but does not determine earlobe shape).