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Rediscovery of Mendelism

a cross betwe...

Question

a cross between tall plant with dwarf plant F1 progeny . and when these were self bred, F2 progeny was obtained., what is the phenotype of F1progeny?

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Solution

All individuals of the F1 generation were tall.
In the F2 generation, 75% of the offspring were tall while 25% were dwarf.

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Similar questions

Q. Study the following and select the correct statements.

F_{1}

progeny is the first hybrid generation and progeny resembled either of the parents.
(II)

F_{2}

progeny is a resultant hybrid generation of cross-pollination among

F_{1}

progeny and progeny showed both dwarf and tall plants.
(III)

F_{2}

progeny is a hybrid generation, produced by selfing

F_{1}

hybrids and progeny contained both dwarf and tall plants.
(IV) The proportion of probability of plants that dwarf was 1/4 that of the

F_{2}

plants while 3/4th of the plants were tall.

The phenotype of $F_{1}$ progeny, when pure tall and dwarf plants are crossed together is _________.

Q. If a tall plant is crossed with a dwarf plant and obtained progeny has half tall and half-dwarf plants. Then the genotype of progeny will be

A cross was made between pure breeding pea plants, one with round and green seeds and the other with wrinkled and yellow seeds.

(a) Write the phenotype of

F_{1}

progeny. Give reason for your answer.

(b) Write the different types of

F_{2}

progeny obtained along with their ratio when

F_{1}

progeny was selfed.

Q. Find the correct statements
(i)

F_{1}

progeny is the first hybrid generation and progeny resembles either of a parent.
(ii)

F_{2}

progeny is a resultant hybrid generation of cross-pollination among

F_{1}

progeny and the progeny shows both dwarf and tall plants.
(iii)

F_{2}

progeny is the second hybrid generation produced by selfing

F_{1}

hybrids and progeny contains both dwarf and tall plants.
(iv) Proportion of probability of plants that are dwarf is 1/4 of

F_{2}

plants while 3/4 of

F_{2}

plants are tall.

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