For an offspring to dominate a recessive trait, both parents must have at least one dominant allele in their genotype.
It's letter c i believe, because they need the DNA's instruction on how to copy the exact tissue copy.
Answer;
-Damage may occur if the tachometer's needle enters the red zone
Explanation;
A tachometer is a sensor device used to measure the rotation speed of an object such as the engine shaft in a car, and is usually restricted to mechanical or electrical instruments.
Tachometer
, indicates the engine revolutions per minute. Damage may occur if needle enters red zone. The “redline” on a tachometer indicates that engine speeds above that value are likely to cause damage to the engine, especially if operated continuously at that speed for more than a few seconds.
The right answer is the scientists design experiments to test their
hypotheses which is also called a theory.
hope this help you out
good luck
