A Recessive Allele on the X Chromosome Causes Color Deficiency

question 16

Multiple Choice

A recessive allele on the X chromosome causes color deficiency. A noncolor- deficient woman (whose father is color deficient) marries a color- deficient man. If they have a son, what is the chance that he will be color deficient?

• A) 0%
• B) 25%
• C) 50%
• D) 100%
• E) 75%

---

Definitions:

Transformational Scaffolding

describes an educational strategy where support is progressively adjusted to meet the learner's increasing competence, fostering their ability to achieve tasks independently.

Concrete Interventions

Practical and specific actions or strategies designed to address specific problems or issues directly and effectively.

Formal Operations

Formal operations is a stage in Piaget's theory of cognitive development where individuals develop the ability to think abstractly, reason logically, and plan systematically.

Social Interactions

The ways in which individuals interact with each other, influenced by social norms, cultures, and personal relationships.