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प्रश्न
Explain the Term Heterosome.
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उत्तर
Heterosome: Chromosome found in the reproductive cells and which are responsible for the sex of a child.
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संबंधित प्रश्न
Choose the correct answer:
Mendel was born in __________
Explain the Term Dominance.
Explain the Term Mutation.
Explain the term Alleles.
Name the following:
The study of heredity and variation.
Give Technical Term:
Cell organelle directly involved in genetics.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Choose the Odd One Out
Multiple Choice Question
Genetics is a branch of biology dealing with:
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
Explain test cross with suitable example and state its ratios.
A recessive factor is altered by the presence of a dominant factor.
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 %.)
Parents of blood group i and AB cannot have a child of blood group AB because ______.
Mendel was successful in his experiments because:
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)
What is dihybrid cross?
