If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?
100%
50%
0%
75%
B.
50%
Haemophilia is a X-linked recessive disorder. The presence of single X-chromosome (with haemophilia gene) show the disease in male. Therefore, in the above example, boy chances of inheriting the disease is 50%.
The movements of neutrophils to the site of inflammation is due to
release of hormone
Chemotaxis
activity of antigens
activations of antigens
Male mosquito is not sanguivore as
it lacks cutting and biting mandibles
it does not require any kind of proteins
it lacks smelling power
All of the above
On the basis of utility, Nagpuri buffaloes are categorized as
milkers
dual purpose
drought cattle
grazers
Which of the following plant is efficient converter of solar energy whose net productivity is 2-4 kg/m2/yr or even higher?
Wheat
Rice
Sugarcane
Bajra
Pureline breed refers to
homozygosity
heterozygosity
homozygosity with only dominant genes
heterozygosity and linkage
