People with sickle-cell anaemia have haemoglobin
...People with sickle-cell anaemia have haemoglobin
S and are homozygous recessive
A and are heterozygous recessive
S and are heterozygous recessive
A and are homozygous recessive
Correct answer is A
No explanation has been provided for this answer.
Which of the following organisms does not undergo incomplete metamorphosis? ...
Which of the following organisms is well adapted for fluid feeding? ...
Taenia solium can be found in ...
The most important factor(s) that influence(s) the ecological niche of an organism is/are the ...
The function of the convex lens in the correction of eye defects is to ...
Radial symmetry is a feature common to ...
Which of these products obtained from analyzing sweat from skin is not an excretory product? ...
The following practices can contribute towards the conservation of natural resources except ...