Which of the Following Are True of DNA Methylation During

question 4

Multiple Choice

Which of the following are true of DNA methylation during reproduction?

• A) The sperm and egg DNA maintain their methylation patterns throughout gametogenesis
• B) The sperm and egg DNA maintain their methylation patterns in the embryo
• C) Methylation patterns in both the egg and sperm DNA are erased at fertilization and re-established in a single wave
• D) Only the sperm DNA loses its methylation pattern after fertilization
• E) A series of methylation and demethylation events occurs during gametogenesis, fertilization, and implantation in both gametes

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Definitions:

Transitional Expression

Words or phrases that provide a connection between ideas, sentences, and paragraphs, helping to make communication clear and smooth.

REM Sleep

A phase of sleep characterized by rapid eye movements, low muscle tone, and vivid dreams, playing a crucial role in memory and learning.

Hibernate

A state of inactivity and metabolic depression in animals during winter, allowing survival through periods of reduced food availability.

Cold-blooded

Refers to organisms, such as reptiles and fish, that do not regulate their body temperature internally but rely on external sources.