When Do You Observe the 4:4 Segregation Pattern of Genes

question 32

Multiple Choice

When do you observe the 4:4 segregation pattern of genes in a linear tetrad?

• A) When the gene-centromere distance is greater than 7 map units
• B) When the parent is a homozygote
• C) When a single crossover between a gene and its centromere occurs
• D) When no crossover between a gene and its centromere occurs
• E) When the parent is a heterozygote

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Definitions:

Theory of Mind

The capacity to recognize and understand thoughts, feelings, desires, and intentions in oneself and others, while also grasping that others may hold beliefs, desires, and intentions that diverge from one's personal ones.

Egocentrism

The inability to understand or assume any perspective other than one's own.

Habituation Technique

A method used to reduce reactions to repeated stimuli by exposing the subject to the stimulus over time until the response diminishes.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled or sensed in any way).