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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.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
- A pure tall plant (TT) is crossed with a pure dwarf plant (tt). Draw Punnett squares to show
- F1, generation
- F2 generation.
- Give the phenotype of F2 generation.
- Give the phenotype and genotypic ratios of the F1 and F2 generations.
Explain the Term Mutation.
Name the following:
The study of heredity and variation.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Multiple Choice Question
Genetics is a branch of biology dealing with:
What is allelomorph?
A recessive factor is altered by the presence of a dominant factor.
Each gamete has only one allele of a gene.
Identify the possible genotypic ratio in F2 generation if a plant producing red flowers (RR) is crossed with another plant of the same species that produces white flower (rr).
Two alternative forms of genes or alleles are located on ______.
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)
Name any two genetic diseases in humans.
