EASY
CUET (UG)
IMPORTANT
Earn 100

Dihybrid ratio is defined as
(a)phenotypic ratio obtained in F2 generation of dihybrid cross
(b)phenotypic ratio obtained in F1 generation of dihybrid cross
(c)genotypic ratio obtained in F2 generation of dihybrid cross
(d)genotypic ratio obtained in F1 generation of dihybrid cross

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Important Questions on Principles of Inheritance and Variation
EASY
CUET (UG)
IMPORTANT
Out of the four phenotypes obtained in F2 generation of dihybrid cross between yellow round and green wrinkled seeds of pea plant

HARD
CUET (UG)
IMPORTANT
When a single gene produces two effects and one of it is lethal, then the ratio is

EASY
CUET (UG)
IMPORTANT
More than two alternative forms of a gene located on the same locus but show more than two different phenotypes are called

HARD
CUET (UG)
IMPORTANT
If the child's blood group is 'O' and father's blood group is "A" and the mother’s blood group is "B" the genotype of the parents will be

EASY
CUET (UG)
IMPORTANT
The plasma membrane of the red blood cells has... A.... polymers that protrude from its surface and the kind of sugar is controlled by the gene. The gene I have three alleles .......B........IA And IB Produce a slightly different form of the sugars, while allele I do not produce any ....C.......
Choose the correct option for A, B and C.

EASY
CUET (UG)
IMPORTANT
In an accident there is great loss of blood and there is no time to analyse the blood group which blood can be safely transferred?

EASY
CUET (UG)
IMPORTANT
Which law Mendel would not have proposed, if the phenomenon of linkage was known to him?

MEDIUM
CUET (UG)
IMPORTANT
In a dihybrid cross, in F2 generation, the parental types are far greater in number than the recombinants. This is due to
