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संबंधित प्रश्न
What is crossing-over? What are the factors affecting it?
Differentiate between genotype and phenotype.
State Mendel’s Law of Dominance.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Dominance.
Name the following:
The genetic composition of an organism.
Give Technical Term:
A virus with DNA as heredity material.
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?
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?
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:
DNA has a double-helical structure.
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
Which one of the following is back cross?
Give any two points of difference between homozygous and heterozygous.
Identify the genotype of peacock.
A pea plant with the genotype YyRr is crossed with another pea plant with the genotype yyrr. The expected phenotypic ratio of individuals formed will be ______
Which one of the following genotype will yield only one type of gamete?
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
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)
