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प्रश्न
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
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उत्तर
The dissimilar pairs of genes present in an individual are known as Heterozygous.
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
What is crossing-over? What are the factors affecting it?
Differentiate between genotype and phenotype.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the term Alleles.
Give Technical Term:
Cell organelle directly involved in genetics.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Most genetic diseases in man are recessive in character.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A female is responsible for the sex of the progeny.
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Which one of the following is back cross?
Give any two points of difference between homozygous and heterozygous.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
Define Alleles.
Parents of blood group i and AB cannot have a child of blood group AB because ______.
What is dihybrid cross?
