In Humans, Occasionally a Baby Is Found That Has the XX

question 20

Multiple Choice

In humans, occasionally a baby is found that has the XX chromosomal karyotype but is phenotypically male. Which of the following statements might be a CORRECT explanation for at least some of these unusual cases?

• A) A mutation has occurred in the SRY gene making it inactive.
• B) An extra pierce of autosomal chromosome 15 is probably present in the genome but is too small to be detected.
• C) A small piece of autosomal chromosome 15 is missing but is too small to be detected.
• D) A piece of chromosomal material containing an active SRY gene is found attached to one of the X chromosomes.
• E) The ratio of number of X chromosomes to number of sets of chromosomes is incorrect.

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Definitions:

Demand

The desire and ability of consumers to purchase goods or services at various price levels, at a particular time.

Government Agricultural Aid

Financial support and assistance programs provided by the government to the agricultural sector, aimed at stabilizing prices, ensuring food security, and supporting farmers' incomes.

Low-Income Farmers

Farmers operating on small-scale farms with limited resources and financial capital, often facing significant economic and environmental challenges.

Price Elasticity

A gauge for understanding how demand for a particular good is affected by changes in its price, reflecting the consumers' responsiveness to price variations.