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प्रश्न
Give Technical Term:
Differences occurring within offsprings of the same progeny.
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उत्तर
Variation
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संबंधित प्रश्न
What is a gene? How is it related to heredity?
What is crossing-over? What are the factors affecting it?
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Explain the term Alleles.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mutation can be brought about artificially.
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
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
The word chromosome was coined by
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.
Alleles refer to ____________.
Which one of the following genotype will yield only one type of gamete?
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Two alternative forms of genes or alleles are located on ______.
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
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)
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
