D: sickle cell anaemia
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In a large family, half the children were blood group A and half were blood group B. If the father was blood group O…
How many chromosomes are there in a zygote which develops into a baby with Down's syndrome?
Which statement describes an example of artificial selection?
What are found in plant cells but not in animal cells? 1 cell membrane 2 nucleus 3 cell wall 4 chloroplast
Which statement is always correct when oxygen is diffusing out of a plant cell?
What are the signs of magnesium deficiency and nitrogen deficiency in leaves of plants? 1 purple spots on leaves 2 re…