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प्रश्न
Give Technical Term:
A virus with DNA as heredity material.
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उत्तर
Retro virus e.g. HIV
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संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Differentiate between genotype and phenotype.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Name the following:
The study of heredity and variation.
Name the following:
The genetic composition of an organism.
Give Technical Term:
A single egg was fertilized by a single sperm. But twins derived from that egg were born. What is the name of such type of twins?
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:
Mutation can be brought about artificially.
Choose the Odd One Out
Choose the Odd One Out
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Explain a dihybrid cross with suitable example and checker board method.
Identify the genotype of peacock.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
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 typical dihybrid cross is carried outbetween true breeding plant with yellowround seeds and a true breeding plant withgreen wrinkled seeds. With appropriatesymbol write the genotypes of —
- Homozygous dominant and recessive parents.
- Gametes produced by both the parents.
- Gametes produced by the F, hybrid. (3)
