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प्रश्न
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.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
State Mendel’s Law of Dominance.
Explain the Term Variation.
Explain the Term Mutation.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
Transmits characteristics from parents to offsprings.
Give Technical Term:
The individuals having dissimilar pairs of genes.
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:
A female is responsible for the sex of the progeny.
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 _______.
A recessive factor is altered by the presence of a dominant factor.
Hybrid is an offspring from a cross between genetically different parents.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
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?
Two alternative forms of genes or alleles are located on ______.
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 |
