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प्रश्न
Explain the Term Crossing-over.
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उत्तर
Crossing-over: The phenomenon of the exchange of genetic material between two non¬sister chromatids.
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संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
What is a gene? How is it related to heredity?
Give the significance of mutation.
What is crossing-over? What are the factors affecting it?
Mutation alerts the hereditary material. Give reasons.
Explain the Term Mutation.
Explain the Term Genotype.
Give Technical Term:
A virus with DNA as heredity material.
Give Technical Term:
The individuals having dissimilar pairs of genes.
Complete the following sentence with appropriate word:
______is the hereditary unit.
Complete the following sentence with appropriate word:
In mammals, the female is homozygous while the male is _________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
DNA has a double-helical structure.
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 _______.
Identify the possible genotypic ratio in F2 generation if a plant producing red flowers (RR) is crossed with another plant of the same species that produces white flower (rr).
Mendel was successful in his experiments because:
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?
