EASY
12th Rajasthan Board
IMPORTANT
Earn 100

More than two alternative forms of a gene located on the same locus but show more than two different phenotypes are called
(a)polygenes
(b)co-dominants
(c)multiple alleles
(d)pleiotropic genes

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Important Questions on Principles of Inheritance and Variation
MEDIUM
12th Rajasthan Board
IMPORTANT
Which of the following conditions is related for haemophilia?

MEDIUM
12th Rajasthan Board
IMPORTANT
A colour-blind person cannot distinguish

MEDIUM
12th Rajasthan Board
IMPORTANT
Number of Barr bodies present in Turner syndrome is

EASY
12th Rajasthan Board
IMPORTANT
The haplodiploid system of sex determination is found in

MEDIUM
12th Rajasthan Board
IMPORTANT
X-linked recessive gene is

EASY
12th Rajasthan Board
IMPORTANT
'Universal Donor' and 'Universal Recipient' blood groups are _____ and _____ respectively.

EASY
12th Rajasthan Board
IMPORTANT
Allele is an alternate form of a _____.

MEDIUM
12th Rajasthan Board
IMPORTANT
Correct the sentences, if required, by changing the underlined word(s) only:
Monohybrid cross in generation yields _____ number of phenotypes.
