I think it is false because they still have the old ones
Ans.
HD (Huntington's disease) is a genetic neurological disorder that occurs due to damage and death of brain cells. it is caused by an autosomal dominant mutation in HTT (huntingtin) gene, having a trinucleotide repeat section that makes HTT protein.
The mutation leads to an increase in this nucleotide repeat count, associated with formation of altered or mutated huntingtin protein. These altered proteins show deleterious affect on brain cells and result in Huntington's disease.
Thus, the correct answer is 'option A). a mutated gene.'
The answer is steep mountains due to it being rocks wind and rain can erode it more
Well there are 4 things in a dna molecule and that is adenine guanine thymine and cytosine well the DNA molecule keeps the cell moving in the right direction and also helps the cell reproduce and stay healthy