The Extra 21st Chromosome That Is Found with Down Syndrome

question 161

True/False

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

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Definitions:

Menarche

The occurrence of the first menstrual cycle in a female, marking the beginning of reproductive capability.

Monthly Breast Self-Examinations

A self-care practice where individuals check their breasts for lumps or changes to detect breast cancer early.

Mammograms

A diagnostic procedure using X-ray imaging to examine the human breast for diagnosis and screening of breast cancer.

Menarche

The first occurrence of menstruation in an individual.