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प्रश्न
Give the significance of mutation.
उत्तर
Mutation plays a significant role in evolution and speciation because it causes variability. However, some harmful mutations cause diseases.
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संबंधित प्रश्न
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Name the following:
The study of heredity and variation.
Name the following:
The genetic composition of an organism.
Give Technical Term:
A virus with DNA as heredity material.
Complete the following sentence with appropriate word:
In mammals, the female is homozygous while the male is _________.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
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
Multiple Choice Question
Genetics is a branch of biology dealing with:
Explain a dihybrid cross with suitable example and checker board method.
What is allelomorph?
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
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).
Alleles refer to ____________.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
Which one of the following genotype will yield only one type of gamete?
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Parents of blood group i and AB cannot have a child of blood group AB because ______.
Mendel was successful in his experiments because:
