Very rarely, one member of a pair of identical (monozygotic) twins will have Turner syndrome (XO) and the other member will be normal (XX). Which of the following statements best explain this phenomenon. There was a non-disjunction event during mitosis in the zygote. There was a non-disjunction event during meiosis in dad. there was a non-disjunction event during meiosis in either parent There was a non-disjunction event during meiosis in mom. Dad's X chromosome was inactivated, causing Turner syndrome.

Biology 2e
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ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter13: Modern Understandings Of Inheritance
Section: Chapter Questions
Problem 3VCQ: Figure 13.6 Which of the following statements about nondisjunction is true? Nondisjunction only...
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Very rarely, one member of a pair of identical
(monozygotic) twins will have Turner syndrome
(XO) and the other member will be normal (XX).
Which of the following statements best explain this
phenomenon.
There was a non-disjunction event during mitosis in
the zygote.
O There was a non-disjunction event during meiosis in
dad.
there was a non-disjunction event during meiosis in
either parent
There was a non-disjunction event during meiosis in
mom.
Dad's X chromosome was inactivated, causing Turner
syndrome.
Transcribed Image Text:Very rarely, one member of a pair of identical (monozygotic) twins will have Turner syndrome (XO) and the other member will be normal (XX). Which of the following statements best explain this phenomenon. There was a non-disjunction event during mitosis in the zygote. O There was a non-disjunction event during meiosis in dad. there was a non-disjunction event during meiosis in either parent There was a non-disjunction event during meiosis in mom. Dad's X chromosome was inactivated, causing Turner syndrome.
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