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प्रश्न
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उत्तर
संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
Choose the correct answer:
Mendel was born in __________
Give the significance of mutation.
Name the following:
The genetic composition of an organism.
Give Technical Term:
A single egg was fertilized by a single sperm. But twins derived from that egg were born. What is the name of such type of twins?
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:
DNA has a double-helical structure.
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.
Write the functional activity of the following structure:
Autosomes
Multiple Choice Question
Genetics is a branch of biology dealing with:
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
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.
State whether the following is true or false.
Each gamete has only one allele of a gene.
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 one of the following genotype will yield only one type of gamete?
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:
In which region of chromosomes does crossing over take place?
