Q.21 X-linked recessive trait is:
A) Hypophosphatemia C) Haemophilia
B) Vitamin-D resistant rickets D) Diabetes Mellitus
Q.22 Human skin colour is a good example of?
A) Sex-linked inheritance C) x-linked inheritance
B) Polygenic inheritance D) y-linked inheritance
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Q.23 From evolutionary point of view, which respiratory protein is common in many organisms?
A) Cytochrome a C) Cytochrome c
B) Cytochrome b D) Cytochrome d
Q.24 Number of pairs of autosomes in humans in:
A) 23 C) 21
B) 24 D) 22
Q.25 ABO blood system is an example of:
A) Polygenes C) Multiple Alleles
B) Multiple genes D) Multiple Mutation