Disjunction of the 21st Chromosome That Can Lead to Down

question 45

Multiple Choice

Disjunction of the 21st chromosome that can lead to Down syndrome has been found to be related to​ 

• A)paternal age. 
• B)maternal age. 
• C)multiple codon repeats on the X chromosome. 
• D)the inability to metabolize phenylalanine.

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Definitions:

Black Population

Refers to individuals of African descent, particularly in a sociodemographic and cultural context.

Slave Codes

Laws established in the Southern states before the Civil War, designed to regulate the activities of enslaved African Americans and deny them basic rights.

Racial Restrictions

Laws, policies, or practices that discriminate against individuals or groups based on their race, limiting their rights and freedoms.

North American Colonies

Territories in North America that were colonized by European powers beginning in the early 16th century, leading to the formation of various countries.