Which Statement Is True

question 57

Multiple Choice

Which statement is true?

• A) Mutations aside, the structure of DNA remains fixed throughout one's life.
• B) Epigenetic mechanisms can alter the expression of genes.
• C) Changes in the expression of genes can be passed on to offspring.
• D) None of these statements is true.

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Definitions:

Irregular Ovulation

A condition characterized by unpredictable or infrequent release of an egg from the ovary, affecting fertility and menstrual cycles.

Parental Age

refers to the age of a child's parents, which can influence various health and developmental outcomes for the child.

Dizygotic Twins

Also known as fraternal twins, they are siblings born at the same time who have developed from two different eggs fertilized by two different sperm.

Monozygotic Twins

Twins that are genetically identical, arising from a single fertilized egg that splits into two embryos.