Question

Which of the following genetic disorders is an example of chromosomal mutation?.(a).Albinism (b).Colour blindness (c).Down's syndrome (d).Sickle cell anaemia

Answer 1

As per my information down syndrome and sickle cell anaemiaare chromosomal mutation .

Explanation:

In the sickle cell anaemia, It is a type of frame-shift mutation. Because in this case, 6th number carbon of B-globin chain is changed and the glutamic acid is changed to valine.and in the down syndrome 21 no chromosome is shows trysome.