If a Trait Has a Large Inherited Component,then Concordance Among

question 11

Multiple Choice

If a trait has a large inherited component,then concordance among monozygotic twins will be

• A)considerably higher than that of dizygotic twins.
• B)considerably lower than that of dizygotic twins.
• C)about the same as that of dizygotic twins.
• D)100%.

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Definitions:

Identical Twins

Twins who are genetically identical, resulting from the fertilization of a single egg that then splits into two, sharing the same genetic material.

U.S. Births

refers to the annual number of live births recorded in the United States, a vital statistic used for demographic research and public health.

Polygenic

A term describing a trait or characteristic that is influenced by more than one gene, often resulting in a continuous range of possible phenotypes.

Codominant

A genetic scenario where two different alleles of a gene are both fully expressed in a heterozygous individual, leading to a phenotype that is a mixture or combination of both alleles.