Suppose for a Particular Personality Trait, Dizygotic Twins Both Share

question 66

Multiple Choice

Suppose for a particular personality trait, dizygotic twins both share the trait 13% of the time while monozygotic twins share the trait 14% of the time. The heritability for this trait would be close to

• A) 0
• B) .13
• C) .14
• D) 1

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Definitions:

Codon

A sequence of three nucleotides in mRNA that specifies a particular amino acid or termination signal during protein synthesis.

Amino Acid

Organic molecules that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.

Coding Region

A portion of a gene's DNA or RNA that codes for protein.

AUG

The codon in messenger RNA that signals the start of translation and the amino acid methionine.