Identical Twins Ilyse and Lauren Both Have a Gene for Trait

question 163

Multiple Choice

Identical twins Ilyse and Lauren both have a gene for Trait H. The gene for Trait H is expressed only when a child eats rice before the age of 2. Ilyse and Lauren are separated at birth, and Ilyse lives in Japan, where babies begin eating rice at an early age. Lauren lives in Canada, and she is not given rice before the age of 2. Ilyse develops Trait H, whereas Lauren does not develop the trait. This is an example of:

• A) polygenic inheritance.
• B) genotype-environment interaction.
• C) phenotypical variety.
• D) the dominant-recessive pattern of inheritance.

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Definitions:

Trial Balance

An accounting report that lists the balances of all ledger accounts to ensure that debits equal credits, used for internal checks.

Owner's Drawings

Owner's disbursements from a business in either a sole proprietorship or partnership for personal expenditures.

Salaries and Wages Expense

The total amount spent by a business on its employees' salaries and wages during a specific period.

Equipment

Tangible assets used in operations, such as machinery and office hardware, which are subject to depreciation over their useful lives.