Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Human mitochondrion is inherited __________
Options
A maternally only
Correct Answer
B paternally only
C both maternally & paternally
D spiritually
Correct Answer

Option A is the correct answer.

Detailed Explanation

In humans and most animals, mitochondria are inherited exclusively from the mother. This is because the egg cell contributes the majority of the cytoplasm (and thus mitochondria) to the zygote, while sperm mitochondria are typically degraded after fertilization.

Hint

From which parent do you get your mitochondrial DNA?

Question Info