In a Family, Both Parents Have Freckles and Widow's Peak

question 60

Multiple Choice

In a family, both parents have freckles and widow's peak. Both of these traits are dominant: F = freckles, W = widow's peak. What is the correct phenotypic ratio of the next generation if the parents were heterozygous? The order of the genotypes is: freckled with widow's peak; freckled, straight hairline; no freckles with widow's peak; no freckles, straight hairline.

• A) 9:3:1:1
• B) 9:3:3:1
• C) 9:1:1:3
• D) 1:3:3:9

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Definitions:

Antisocial Behavior

Activities that harm or lack consideration for the well-being of others, often violating social norms and rules.

Imagining Feelings

The process of mentally simulating emotions that one may not currently be experiencing, often used in empathy and perspective-taking.

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, from birth to about age 2, where infants learn about the world through their sensory impressions and motor activities.

Preoperational

Describes a stage in Piaget's theory of cognitive development where children from 2 to 7 years old engage in symbolic play and struggle with logic and understanding others' perspectives.