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प्रश्न
Give the significance of mutation.
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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
The phenotypic ratio of incomplete dominance is ______.
State Mendel’s Law of Dominance.
Name the following:
The study of heredity and variation.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
Cell organelle directly involved in genetics.
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:
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:
A female is responsible for the sex of the progeny.
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
Genetics is a branch of biology dealing with:
Explain a dihybrid cross with suitable example and checker board method.
Give any two points of difference between homozygous and heterozygous.
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 ______
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Two alternative forms of genes or alleles are located on ______.
Which of the following is the number of alleles for blood group in an individual?
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
Which one of the following character is recessive in case of a pea plant?
