Which of the Following Is Correct Regarding Chromosomes

question 140

Multiple Choice

Which of the following is correct regarding chromosomes?

• A)At conception, the fertilized embryo has 48 chromosomes, 24 from the female egg and 24 from the male sperm.
• B)The mother of an embryo always contributes a Y chromosome and the father always contributes an X chromosome.
• C)Down syndrome results when chromosome 21 is present in triplicate instead of as the usual pair.
• D)Chromosomes have no relationship to deoxyribonucleic acid (DNA).

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Definitions:

Relations

The ways in which two or more concepts, objects, or people are connected, which can involve various types of interpersonal or social connections.

Practices

Routinely performed actions or activities by individuals or groups in specific contexts, forming the basis of societal and cultural norms.

Organization

A group of people structured and managed to meet a particular goal or to carry out a specific set of tasks, often with a defined hierarchy and rules.

Glocalization

The practice of conducting business according to both local and global considerations, a blend of "globalization" and "localization."