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प्रश्न
Differentiate Between Monohybrid and Dihybrid cross.
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उत्तर
| Monohybrid | Dihybrid |
| Crosses involving a single pair of alleles. It yields a phenotypic ratio of 3 : 1 in F2 generation. | Crosses involving two pairs of alleles. It yields a phenotypic ratio of 9 : 3 : 3 : 1 in F2 generation. |
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संबंधित प्रश्न
Differentiate between the following:
Homozygous and Heterozygous
Explain Mendel’s monohybrid progeny with the help of any one cross.
Answer the following question.
Write the basis on which Alfred Sturtevant explained gene mapping.
A garden pea plant produces axial white flowers. Another of the same species produced terminal violet flowers. Identify the dominant trait?
Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in the F1 generation are then selfed to produce F2 generation of pea plants.
What is the ratio of tall plants to dwarf plants in the F2 generation?
Give reasons why acquired characters are not inherited.
A Monohybrid cross is ______
Punnett square is used to know
Cross between hybrid and recessive parent:
Pooja has green eyes while her parents and brother have black eyes. Pooja’s husband Ravi has black eyes while his mother has green eyes and father has black eyes.
a. On the basis of the above given information, is the green eye colour a dominant or recessive trait? Justify your answer
b. What is the possible genetic makeup of Pooja’s brother’s eye colour?
c. What is the probability that the offspring of Pooja and Ravi will have green eyes? Also, show the inheritance of eye colour in the offspring with the help of a suitable cross.
OR
c. 50% of the offspring of Pooja’s brother are green eyed. With help of cross show how this is possible.
