How Is Mitochondrial DNA Inherited

question 64

Multiple Choice

How is mitochondrial DNA inherited?

• A)All mitochondrial DNA is inherited from the mother.
• B)Fifty percent of mitochondrial DNA is inherited from the mother and 50 percent from the father.
• C)All mitochondrial DNA is inherited from the father.
• D)Only 75 percent of mitochondrial DNA is inherited from the father,the other 25 percent is inherited from the mother.

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Definitions:

Second Messengers

Intracellular signaling molecules that are released in response to activation of cell surface receptors, mediating the effects of hormones and other signals.

G Protein

A type of protein involved in transmitting chemical signals outside the cell to its interior, affecting cellular processes and responses.

Cushing's Disease

A condition caused by an excess of cortisol in the body, often due to a tumor in the pituitary gland, leading to symptoms like weight gain, thinning skin, and hypertension.

Fat Deposition

The process by which the body stores fat in adipose tissue for energy, insulation, and protection of internal organs.