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प्रश्न
State Mendel’s Law of Dominance.
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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
What is crossing-over? What are the factors affecting it?
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Recessive character.
Explain the term Alleles.
Name the following:
The study of heredity and variation.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mendel experimented upon plants of Oryza sativa.
Multiple Choice Question
Genetics is a branch of biology dealing with:
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
What is allelomorph?
Give any two points of difference between homozygous and heterozygous.
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
Identify the genotype of peacock.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
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 |
Mendel was successful in his experiments 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)
