To know where it rightfully belongs to. Variation of certain traits is caused by multiple factors of an individual of the same kind. Depending on their physical appearance, their environment and nature of survival.
Hope this might help.
This would be probably true if the assumption that all possible genotypic variations would be equally distributed (so we would have 25% HH, 25% hh and 2x 25 Hh). If this distribution would be true and Huntingtons disease really was a single gene dominant trait diesase, then yes, we could expect such a distribution in the population.
The answer is Chordates
Most of the chordates have a symmetrical bilateral body which differentiated into head, trunk and tail
The example of chordates are parrot, penguin, horse , squirell, clown fish ( the one in finding nemo), sharks, etc
Answer: the winding structure of the ER results in a large membrane surface area that supports its function
Explanation: