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प्रश्न
State Mendel’s Law of Dominance.
उत्तर
Law of Dominance: Out of a pair of contrasting characters present together, one is able to express itself while the other remains suppressed.
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संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
What is a gene? How is it related to heredity?
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Dominance.
Give Technical Term:
A virus with DNA as heredity material.
Complete the following sentence with appropriate word:
______is the hereditary unit.
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.
Choose the Odd One Out
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.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
The word chromosome was coined by
A recessive factor is altered by the presence of a dominant factor.
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).
Two alternative forms of genes or alleles are located on ______.
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
In which region of chromosomes does crossing over take place?
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.