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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
What is crossing-over? What are the factors affecting it?
Mutation alerts the hereditary material. Give reasons.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Explain the Term Heredity.
Give Technical Term:
Transmits characteristics from parents to offsprings.
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Genes are responsible for genetic characters.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mendel experimented upon plants of Oryza sativa.
Multiple choice question.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
Explain a dihybrid cross with suitable example and checker board method.
Explain test cross with suitable example and state its ratios.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
Which one of the following character is recessive in case of a pea plant?
Define the following term:
Gene
Name any two genetic diseases in humans.
Rewrite the correct form of the statement by changing the first or last word only:
The full complement of DNA of an organism is termed as genetics.
