A Diploid Somatic Cell from a Rat Has a Total

question 55

Multiple Choice

A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42) . As in humans, sex chromosomes determine sex: XX in females and XY in males. What is the total number of chromosomes present in the cell during metaphase I of meiosis?

• A) 21
• B) 42
• C) 84
• D) 126
• E) 168

Understand paraphilias and differentiate between non-disordered and disordered expressions.

Describe sexual dysfunctions and the impact of medications on sexual health.

Acknowledge the role of social and cultural factors in shaping sexual attitudes and behaviors.

Understand the biological and genetic factors that contribute to sex determination and development.

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Definitions:

Replacement

The act of substituting one item or person for another, often to fill a vacancy or to update with something newer or better.

Favorable Response

A positive or supportive answer, reaction, or reply.

Important Question

A significant or critical inquiry that requires attention or resolution.

Order Acknowledgement

A formal confirmation sent by a seller to the buyer confirming the receipt and acceptance of an order, detailing the items purchased and the expected delivery.