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प्रश्न
Name the following:
The genetic composition of an organism.
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उत्तर
Genotype
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संबंधित प्रश्न
What is a gene? How is it related to heredity?
Explain the Term Heredity.
Explain the Term Heterosome.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
A virus with DNA as heredity material.
Give Technical Term:
Transmits characteristics from parents to offsprings.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Genes are responsible for genetic characters.
Multiple Choice Question
Genetics is a branch of biology dealing with:
Multiple choice question.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
Explain a dihybrid cross with suitable example and checker board method.
The word chromosome was coined by
Explain test cross with suitable example and state its ratios.
Each gamete has only one allele of a gene.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
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 |
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)
