Different versions of the protein hemoglobin are found in a baby's blood cells at different stages of development.Changes in the hemoglobin type present are most likely the result of
A) what genes are transcribed.
B) environmental influences.
C) apoptosis.
D) gastrulation.

Question

Quizplus · Accepted Answer

Hemoglobin type is determined by the genes that are transcribed, and different hemoglobin types are produced during different stages of development as a result of changes in gene expression. Environmental influences, apoptosis, and gastrulation are not directly related to changes in hemoglobin type.

Different Versions of the Protein Hemoglobin Are Found in a Baby's