Question

Two identical twins who showed very similar methylation patterns when they were 4 years old show very divergent patterns at age 40. This divergence is most likely due to a different alternative splicing in the two individuals Ob different levels of histone acetyltransferase in the two individuals. Oc environmental differences that they experienced as adults. O d. different genomic imprinting in the two individuals. O e differences in their experiences in utero

Answer 1

ANSWER:

1) TWO IDENTICAL TWINS WHO SHOWED VERY SIMILAR METHYLATION PATTERNS WHENTHEY WERE 4 YEARS OLD SHOW VERY DIVERGENT PATTERNS AT AGE 40. THIS DIVERGENCE IS MOST LIKELY DUE TO

OPTION C : environmental differences that they experienced as adults.

2) Suppose that a certain enzyme is synthesized whenever the solution in which the cells are growing lacks substance Y. When substance Y is present, the enzyme is produced only under certain environmental conditions. This phenomenon would most likely be an example of _______ gene regulation.

OPTION A: repressible.

3) the activity of _______ tends to lead to increased transcription.

OPTION B: RNA polymerase