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प्रश्न
Name any two genetic diseases in humans.
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उत्तर
Two genetic diseases in humans are:
- Haemophilia
- Thalassemia
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संबंधित प्रश्न
What is a gene? How is it related to heredity?
Differentiate between genotype and phenotype.
Explain the Term Dominance.
Explain the Term Genotype.
Name the following:
The genetic composition of an organism.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A female is responsible for the sex of the progeny.
Multiple Choice Question
Genetics is a branch of biology dealing with:
Explain a dihybrid cross with suitable example and checker board method.
Hybrid is an offspring from a cross between genetically different parents.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
Which of the following is the number of alleles for blood group in an individual?
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 |
