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प्रश्न
The phenotypic ratio of incomplete dominance is ______.
विकल्प
2 : 1
1 : 2 : 1
1 : 1 : 1
1 : 1 : 2
9 : 3 : 3 : 1
1 : 1
3 : 1
उत्तर
The phenotypic ratio of incomplete dominance is 1 : 2 : 1.
Explanation:
In incomplete dominance, both alleles are expressed partially and one gene does not suppress the expression of the other gene. As a result, the two heterozygotes are similar phenotypically and genotypically; hence, the genotypic and phenotypic ratio observed in the F2 generation is 1 : 2 : 1.
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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 Heredity.
Explain the Term Recessive character.
Name the following:
The study of heredity and variation.
Give Technical Term:
A virus with DNA as heredity material.
Give Technical Term:
The individuals having dissimilar pairs of genes.
Multiple Choice Question
Genetics is a branch of biology dealing with:
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).
Match the items given in Column I with those listed in Column II. Choose the answer with correct combination of alphabets of the two columns.
| Column I | Column II |
| A. Monohybrid cross | 1. T and t |
| B. Test cross | 2. TT |
| C. Alleles | 3. TT × tt |
| D. Homozygous tall | 4. tt |
| 5. Tt × tt |
