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प्रश्न
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.
पर्याय
True
False
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उत्तर
False
Correct Statement: Male is responsible for the sex of progeny.
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संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Explain the Term Crossing-over.
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?
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:
Mutation can be brought about artificially.
Multiple Choice Question
Genetics is a branch of biology dealing with:
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
Explain a dihybrid cross with suitable example and checker board method.
Identify the genotype of peacock.
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).
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
Parents of blood group i and AB cannot have a child of blood group AB because ______.
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)
In which region of chromosomes does crossing over take place?
Define the following term:
Gene
