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प्रश्न
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?
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उत्तर
Non-identical or fraternal twins
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
What is a gene? How is it related to heredity?
Explain the Term Crossing-over.
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:
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:
Explain a dihybrid cross with suitable example and checker board method.
Each gamete has only one allele of a gene.
Identify the genotype of peacock.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
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).
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
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 %.)
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
What is dihybrid cross?
Rewrite the correct form of the statement by changing the first or last word only:
The full complement of DNA of an organism is termed as genetics.
