Huntington disease can strike at an earlier age and bring about a more rapid degeneration and death in successive generations within a family. this phenomenon can be explained by which mechanism?
a. presence of a transposable element in the gene.
b. chronic exposure to mutagens in the environment.
c. expansion of a trinucleotide repeat in the coding sequence of the gene.
d. presence of an extra chromosome in the germ line.
e. absence of a gene product that is involved in dna repair.
Answers: 2
Other questions on the subject: Biology
Biology, 22.06.2019 02:30, 10033636
Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .
Answers: 2
Biology, 22.06.2019 06:50, wildfox479
What is the period of cell life when it is conducting
Answers: 2
You know the right answer?
Huntington disease can strike at an earlier age and bring about a more rapid degeneration and death...
Questions in other subjects:
Social Studies, 19.09.2021 23:00
English, 19.09.2021 23:00
History, 19.09.2021 23:00
