Biology, 29.07.2020 06:01, Aurionna101
Although the most frequent forms of Down syndrome are caused by a random error, nondisjunction of chromosome 21, Down syndrome occasionally runs in families. Which of the following is the cause of this form of familial Down syndrome?
A) an inversion involving chromosome 21
B) a chromosomal aberration involving chromosome 1
C) too many X chromosomes
D) a translocation between chromosome 21 and a member of the D chromosome group
E) a maternal age effect
Answers: 2
Biology, 22.06.2019 16:50, inesperezferrere
Select all that apply. careful listening skills include: refraining from interrupting the speaker taking quality notes making an effort to understand maintaining eye contact with the speaker
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Biology, 22.06.2019 18:30, mdiaz487
Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions
Answers: 2
Although the most frequent forms of Down syndrome are caused by a random error, nondisjunction of ch...
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