When It Comes to Aging in the United States, It

question 83

Multiple Choice

When it comes to aging in the United States, it is apparent that:

• A)by 2020, there will be fewer people 65 and older than there are today.
• B)by 2050, there will be at least twice as many people 65 and older than there are today.
• C)by 2030, only one in eight people will be 65 and older.
• D)by 2003, one in twenty people were 65 an older.
• E)by 2015, one in four persons will be over age 65.

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Definitions:

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.

Recessive

A genetic term referring to traits that are expressed only when two copies of a gene, one from each parent, are present.

Dominant

Refers to a trait, allele, or characteristic that overpowers or is more likely to be expressed than another in genetic inheritance.

Incomplete Dominance

A genetic phenomenon where the offspring's phenotype is a blend of the parents' phenotypes, rather than one dominating completely over the other.