genetic basis of traits Flashcards
1
Q
what causes Huntington’s disease?
A
more than 36 repetitions of the glutamine AA.
2
Q
wat causes cystic fibrosis?
A
deletion of a triplet that codes for a channel protein. no channel means ions cluster inside the cell causing mucsu to cluster outside.
3
Q
what is back crossing?
A
when the offspring of the F1 generation are bred with t eir parents to exacerbate certain rare, desirable characteristics.