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प्रश्न
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
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उत्तर
F1: Phenotypic ratio—all tall plants.
Genotypic ratio—all hybrids.
F2: Phenotypic ratio—3:1
Genotypic ratio—1:2:1
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संबंधित प्रश्न
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
What is a gene? How is it related to heredity?
Explain the Term Mutation.
Explain the Term Crossing-over.
Give Technical Term:
Transmits characteristics from parents to offsprings.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Write the functional activity of the following structure:
Autosomes
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Which one of the following is back cross?
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 ______.
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?
Which of the following is the number of alleles for blood group in an individual?
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
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)
Define the following term:
Gene
