Cystic fibrosis is a disease in which people have a mutation in an ion channel called...

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Biology

Cystic fibrosis is a disease in which people have a mutation inan ion channel called CFTR. This type of channel is found inmultiple tissues throughout the body, and a simple mutation in thischannel may be expressed in a multitude of ways (sweating disorder,digestive system malfunction, respiratory difficulties, etcâ€¦). Thistype of situation when a genetic mutation expresses itself in amultitude of phenotypes is called
Select one:
a. Polygenic inheritance
b. Codominance
c. Epistasis
d. Pleiotropy
e. Incomplete dominance
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DNA nucleotides have a hydroxyl group at the 2â€™ position on theribose
Select one:
a. False
b. True
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DNA polymerases can only work on the lagging strand of thereplication fork once they are finished with the leading strand
Select one:
a. False
b. True
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DNA polymerases read the DNA
Select one:
a. In the 3â€™ to 5â€™ direction
b. In the 5â€™ to 3â€™ direction
c. In either 3â€™ to 5â€™ or 5â€™ to 3â€™ direction â€“ depending on thesituation

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3.5 Ratings (504 Votes)

1dpleiotropy Pleiotropy is a condition in which a gene influence more than one unrelated trait Polygenic inheritance is a condition where a trait is controlled by more than one gene Codominance is the condition where the See Answer

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