MEDIUM
NEET
IMPORTANT
Earn 100
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The chromosome maps are not accurate maps because
(a)Crossing over frequency is higher than recombination frequency
(b)One crossing over interferes and increases the frequency of nearby crossing over
(c)Crossing over frequency decreases towards the ends of chromosome
(d)Heterochromation increases crossing over
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Important Questions on Principles of Inheritance and Variation
EASY
NEET
IMPORTANT
Epistasis and dominance are respectively
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MEDIUM
NEET
IMPORTANT
In a complimentary gene interaction calculate the number of phenotype and genotype produced in a cross
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MEDIUM
NEET
IMPORTANT
How many types of gametes will be produced by a Drosophila having the following arrangement of two genes( and ) on -chromosome?
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EASY
NEET
IMPORTANT
If interference is complete or cent percent then the frequency of observed double crossover will be
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HARD
NEET
IMPORTANT
In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.
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EASY
NEET
IMPORTANT
A normal woman, whose father had colour blindness, married a normal man. What is the chance of occurrence of colour blindness in the progeny?
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EASY
NEET
IMPORTANT
In Lathyrus odoratus, hybrid blue flowered and long pollen plant is test crossed with homozygous recessive red flowered and round pollen plant then how many parental types are obtained when genes are present in cis stage in parents?
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EASY
NEET
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In phenylketonuria
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