Biology, 11.02.2021 23:30 kingethan08

When a human embryo develops, it produces a special type of hemoglobin not found in infant, child, or adult blood. Which statement best explains how an embryo can produce a different type of hemoglobin from that of an infant, a child, or an adult?

A.) Humans have genes for different types of hemoglobin, and they are expressed at different times.

B.) Human genes change slowly as a person ages.

C.) An embryo and an adult have different genes for hemoglobin.

D.) As the embryo develops and cells differentiate, certain genes are lost.

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When a human embryo develops, it produces a special type of hemoglobin not found in infant, child, o...