Recent discoveries on causes of fragile-X syndrome, myotonic dystrophy, and Huntington Disease indicate which type of genetic alteration?

What will be an ideal response?


changes in trinucleotide repeats

Biology & Microbiology

You might also like to view...

All cases of paralytic polio acquired in the U.S. between 1980 and 1999 were caused by Sabin's polio vaccine

Indicate whether this statement is TRUE or FALSE.

Biology & Microbiology

You have isolated an organism that contains endospore. You can assume that this cell lacks

A. cell wall B. membrane-enclosed organelles C. plasmid D. pili E. Not enough information to assume anything

Biology & Microbiology

MHC proteins

A) control antibody gene expression. B) help white blood cells distinguish "self" from "non-self." C) cause cancer. D) are released by T cells during an infection to kill virus-infected cells.

Biology & Microbiology

Which of the following statements regarding the Entner-Doudoroff pathway is TRUE?

A) It involves glycolysis. B) It involves the pentose phosphate pathway. C) NADH is generated. D) ATP is generated. E) NADH and ATP are generated.

Biology & Microbiology