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प्रश्न
Explain the Term Mutation.
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उत्तर
Mutation: Any change brought about into the genetic composition through external or internal factors.
संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
Explain the Term Recessive character.
Name the following:
The study of heredity and variation.
Give Technical Term:
Cell organelle directly involved in genetics.
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:
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.
Choose the Odd One Out
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
The word chromosome was coined by
State whether the following is true or false.
A recessive factor is altered by the presence of a dominant factor.
Identify the genotype of peacock.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
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?
Define Alleles.
Parents of blood group i and AB cannot have a child of blood group AB because ______.
