Why Can A-Globin Mutations Have an Effect Earlier in Life $\alpha$

question 10

Multiple Choice

Why can a-globin mutations have an effect earlier in life than b-globin mutations?

• A) There are fewer \(\alpha\)-globin genes
• B) The \(\beta\)-like globin hemoglobin F (HbF) is produced during fetal development and \(\beta\)globin predominates only after birth
• C) Fewer \(\alpha\)globins are in each hemoglobin molecule
• D) More \(\alpha\)globins are in each hemoglobin molecule
• E) Mutations in the \(\alpha\)-globin genes prevent proper developmental expression of other globin genes

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Definitions:

Piaget's Concept

Piaget's concept is based on his theory of cognitive development, which suggests that children move through four stages of mental development, with each stage marked by distinct changes in thought and understanding.

Egocentrism

A cognitive trait where an individual has difficulty understanding or assuming any perspective other than their own.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept fundamental to cognitive development in infants.

Retrieve

The act of retrieving and becoming aware of information that is stored in one's memory.