QUESTION 47 Why is mitochondrial DNA inherited only from mothers and not fathers? Mitochondria are found only in eggs Oa. mtDNA does not recombine during meiosis. b. a and b are correct OC none of the above od.
QUESTION 47 Why is mitochondrial DNA inherited only from mothers and not fathers? Mitochondria are found only in eggs Oa. mtDNA does not recombine during meiosis. b. a and b are correct OC none of the above od.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:QUESTION 47
Why is mitochondrial DNA inherited only from mothers and not fathers?
Mitochondria are found only in eggs
a.
mtDNA does not recombine during meiosis.
O b.
a and b are correct
none of the above
od.
1 neinte
Expert Solution
Step 1 Mitochondria are self replicating organelles and have two membranes.
They have their own DNA which is similar to bacterial DNA. They have ribosomes, enzymes and transport systems which are similar to those in bacteria. They produce energy in the form of ATP (adenosine triphosphate). They can be spherical/cylindrical or branched. It has an inner and an outer membrane separated by intermembrane space. The matrix contains multiple dsDNA (double stranded deoxyribonucleic acid) which is mostly circular.
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