Ans.
Fragile X syndrome is defined as a genetic disease, results in cognitive impairment and mental problems.
It is caused by a mutation in FMR1 gene that causes an increase in the CGG trinucleotide units in the gene. This is an example of insertion mutation as it involves addition of nucleotide sequences to the gene.
The FMR1 gene codes for a protein, which is necessary for normal cognitive functions and defect in this protein, due to mutated gene leads to development of disorder.
Thus, the correct answer is option D). 'insertion.'
None of the above. They all involve plate tectonics.
Answer:
Elongation or primer binding
Answer: codominance
Explanation: codominance means the two equally dominant alleles are expressed at the same time.
Answer:
the answer is C. protista
Explanation: