Genomic Imprinting Is Generally Due to the Addition of Methyl

question 21

Multiple Choice

Genomic imprinting is generally due to the addition of methyl (-CH3) groups to C nucleotides in order to silence a given gene. If this depends on the sex of the parent who transmits the gene, which of the following must be True?

• A)Methylation of C is permanent in a gene.
• B)Genes required for early development stages must not be imprinted.
• C)Methylation of this kind must occur more in males than in females.
• D)Methylation must be reversible in ovarian and testicular cells.
• E)The imprints are transmitted only to gamete-producing cells.

---

Definitions:

Mental Set

A psychological term for the tendency to approach situations in a certain way because of past experiences or a specific mindset.

Noncompensatory Modeling

A decision-making approach where a satisfactory level of performance in one attribute does not compensate for a poor performance in another.

Means-end Analysis

A problem-solving strategy that involves identifying the differences between the current situation and the desired goal and steps to reduce these differences.

Working Backward

A problem-solving strategy that involves starting from the desired outcome and working in reverse order to find the solution.