The diagram shows the process used in gene therapy.

At this location, which label belongs in the area marked X?

normal allele

mutated gene

copied allele

inserted gene

A true reversion occurs when the wild-type DNA sequence is restored to encode its original message by a second mutation at the same site or within the same cod on.

Which of the following types of sewage treatment are properly matched? a. primary-biological processb. secondary-mechanical processc. advanced-physical and chemical processesd. secondary-chemical processe. primary-chemical process

If dna fingerprinting can positively identify an individual why is it better than regular fingerprints

A = big apples; R = red apples; a = small apples; r = yellow apples. You have one tree that produces big yellow apples and another tree that produces small red apples.

If glycolysis was blocked in yeast, what would decrease in concentration?

Some adaptations, on the other hand, become useless. These adaptations are vestigial: remaining but functionless. Whales and dolphins have vestigial leg bones, the remains of an adaptation (legs) that their ancestors used to walk.

How does a scientist identify a recessive trait when mapping inheritance in different generations?

How is messenger RNA formed?

The breeding of two organisms that differ in a single trait

What are the functions of renal artery and pons of the brain