Which of the Following Statements About Nondisjunction Is False

question 10

Multiple Choice

Which of the following statements about nondisjunction is false?

• A)Nondisjunction in meiosis can affect autosomes and sex chromosomes.
• B)Women with a single X chromosome have Turner syndrome and are sterile.
• C)In general,a single Y chromosome is enough to produce "maleness."
• D)In mammals,extra copies of the Y chromosome are typically inactivated.

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Definitions:

Chromosome Region

A specific segment of a chromosome where genes are located.

Exons

Portions of a gene that are transcribed and translated into proteins, interspersed with noncoding sequences called introns.

Amniocentesis

A medical procedure used in prenatal diagnosis, involving the extraction of a small amount of amniotic fluid from the uterus to test for genetic abnormalities and infections.

Amniotic Fluid

The protective liquid contained within the amniotic sac of pregnant females, surrounding and cushioning the fetus.