Source: Adapted from C

question 5

Multiple Choice

Source: Adapted from C. A. Huether et al., Maternal age specific risk rate estimates for Down syndrome among live births in whites and other races from Ohio and Metropolitan Atlanta, 1970-1989, Journal of Medical Genetics 35: 482-90 (1998) . Figure 8.20B Maternal age and incidence of Down syndrome
-In comparing a frog cell in metaphase of mitosis with one in metaphase I of meiosis, how would tell you which was which?

• A) In mitosis, the chromosomes would be unduplicated (single-stranded) and in meiosis, they would be double-stranded (made up of sister chromatids).
• B) In meiosis, the chromosomes would be unduplicated (single-stranded) and in mitosis, they would be double-stranded (made up of sister chromatids).
• C) Unlike meiosis, in mitosis each chromosome would be paired with its homolog.
• D) Unlike mitosis, in meiosis each chromosome would be opposite its homolog.

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Definitions:

Ethanol

A volatile, flammable, colorless liquid alcohol, commonly used as a solvent, in medical applications, and as a recreational beverage.

Carbon Compounds

Organic molecules that contain carbon atoms bonded to hydrogen, oxygen, nitrogen, or other elements.

3-Phenylpentan-3-ol

An organic compound characterized by a five-carbon chain with a phenyl group attached to the third carbon and an alcohol group on the same carbon.

Benzoic Acid

A simple aromatic carboxylic acid, its salts are used as food preservatives.