Multiple choice

A mutation carried on human mitochondrial DNA is inherited through only the mother. This states that

  1. egg cells do not contain mitochondrial DNA

  2. sperm cell mitochondria lacks DNA

  3. maternal mitochodrial DNA is degraded in zygote

  4. paternal mitochondrial DNA does not enter the egg

  5. all the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is true during fertilization.