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Author Question: Although the most frequent forms of Down syndrome are caused by a random error, nondisjunction of ... (Read 58 times)

serike

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on: Mar 26, 2020

Question 1

The condition known as cri-du-chat syndrome in humans has a genetic constitution designated as ________.
◦ 45, X
◦ heteroplasmy
◦ triploidy
◦ 46, 5p-
◦ trisomy

Question 2

Although the most frequent forms of Down syndrome are caused by a random error, nondisjunction of chromosome 21, Down syndrome occasionally runs in families. The cause of this form of familial Down syndrome is ________.
◦ a chromosomal aberration involving chromosome 1
◦ a maternal age effect
◦ an inversion involving chromosome 21
◦ too many X chromosomes
◦ a translocation between chromosome 21 and a member of the D chromosome group
Essentials of Genetics ¦ Klug ¦ 9th Edition
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Marked as best answer by serike on Mar 26, 2020

aham8f

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Reply #1 on: Mar 26, 2020
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serike

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Reply 2 on: Mar 26, 2020
Wow, this really help

daiying98

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Reply 3 on: Yesterday
Excellent

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