Genetics (Gene Interaction, Pleiotropic Gene) Test - Botany, Class 12 - Class 12 MCQ
30 Questions MCQ Test - Genetics (Gene Interaction, Pleiotropic Gene) Test - Botany, Class 12
Hypertrichosis is :-
Organisms with two or more than two types of genotypes in their tissues are called :-
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Products of somatic hybridisation are :-
In which of the following the inheritance takes place only by male :-
What shall be the ratio of heterozygous, homozygous and hemizygous in offsprings of a colour blind husband & a carrier wife :-
Which of the following is not a sex linked characters
A gene located on Y-chromosome and therefore, transmitted from father to son is known as:-
The condition in which only one allele of a pair is present is known as :-
Colourblindness is a :-
What is the effect of sexual reproduction :-
Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between a blue eyed woman and a brown eyed man who had a blue eyed mother will be
Baldness in man is a :-
Andalucian fowl exhibits :-
A colourblind man marries a daughter of colourblind father, then in the offsprings :-
A woman with normal vision marries a man with normal vision and gives birth to a colour blind son.Her husband dies and she marries a colourblind man. what is the probability of her children having the abnormality :-
A hybrid is generally more vigorous than either of the parents, this is due to :-
Albinism is determined by a recessive gene in man . the presence of albinism in 50% children born to a couple proves that :-
Epistatic gene differs from dominant gene in :-
A dihybrid ratio of 1:4:6:4:1 is obtained instead of 9:3:3:1. This is an example of :-
A gene that shows it's effect on more than one character is :-
In multiple allele system a gamete possesses :-
An example of the quantitative trait in man is :-
Appearance of walnut-comb in poultry on a cross between pure pea-comb and rose-comb animals due to :-
Polygenic inheritance was first noted by :-
A single recessive trait which can express its effect should occur on :-
Sex- linked characters are generally :-
The technique of the production of monoclonal antibodies was initially developed by :-
In a lymphocyte – myeloma type of hybridoma the antibody forming ability is derived from
If dominant C and P genes are essential for the development of purple colour in sweet pea flowers, what would be the ratio of white and purple colour in a cross between CcPp× Ccpp
Blood grouping in humans is controlled by:-
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