Hey friend.
Let's figure this out.
A person can be tested for the allele that causes Huntington’s disease because the "DNA SEQUENCE," of that allele is different from that of the normal allele.
Hope this helps. ;)
Answer:
DNA stores biological information in sequences of four bases of nucleic acid — adenine (A), thymine (T), cytosine (C) and guanine (G) — which are strung along ribbons of sugar- phosphate molecules in the shape of a double helix.
Explanation:
Answer:
nuclei, mitochondria and chloroplasts
A. this is because if it is warmer, their ice will melt and they will have less ice for them to live on.