DNA methylation is a process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription.
B. subcutaneous skin layer
Answer:
the sun, jupiter, saturn, uranus, neptune
Explanation:
Answer:
1. lungs
2. skin
3. large intestine
Explanation:
lungs inhale oxygen
skin is on the outside of the body
the large intestine processes your food into feces
The correct answer is: Inserting a gene into a pea plant to make them resistant to insects