3. For a trait caused by a mitochondrial gene variant, there may be females that can transmit different phenotypes to her progeny. What situation might you expect? A) She displays heteroplasmy for its trait. B) She displays a low rate of mutation. C) She is the product of somatic mutation. D) A and C are both correct. E) None of these are correct.
3. For a trait caused by a mitochondrial gene variant, there may be females that can transmit different phenotypes to her progeny. What situation might you expect? A) She displays heteroplasmy for its trait. B) She displays a low rate of mutation. C) She is the product of somatic mutation. D) A and C are both correct. E) None of these are correct.
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
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Transcribed Image Text:**Question 3:** For a trait caused by a mitochondrial gene variant, there may be females that can transmit different phenotypes to her progeny. What situation might you expect?
A) She displays heteroplasmy for its trait.
B) She displays a low rate of mutation.
C) She is the product of somatic mutation.
D) A and C are both correct.
E) None of these are correct.
---
**Explanation for Educational Context:**
This question examines the concept of mitochondrial inheritance and the phenomenon of heteroplasmy, where a single cell contains mitochondria with different genetic compositions. Understanding these options helps in learning about genetic variability and inheritance patterns in mitochondrial DNA.
Expert Solution
Step 1 Answer -D
She displays heteroplasmy for its trait and she is the product of somatic mutataion.
Heteroplasmy describe a situation when two or more mtDna exist in the same cell.
Heteroplasmies caused by denovo mutations occuring in the germ line or in the somatic cells.
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