Which, If Any, of the Following Is Incorrect? When Used

question 13

Multiple Choice

Which, if any, of the following is incorrect? When used in human genetics, the term heterozygote

• A) applies even if a person possesses two alleles that differ by just one nucleotide out of a million
• B) consistently applies to Y-specific loci because men must be heterozygotes at these loci, having a very different sequence on the X chromosome.
• C) may apply to a person with a recessive disease when the two mutant alleles are not identical.
• D) does not apply to loci on the X chromosome in women because in each of a woman's cells one X chromosome is inactivated.

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Definitions:

Oxytocin

Posterior pituitary hormone that acts on smooth muscle of the reproductive tract and breasts.

Social Attachments

Emotional bonds between individuals, crucial for human development and contributing to the psychological health and well-being of social creatures.

Autism

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior.