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Standard IX

Biology

Monohybrid Cross

The hybrid pr...

Question

The hybrid progeny of the first generation is called as ………………………

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Solution

The correct option is B
F1

The hybrid progeny of the first generation is called as an F1 hybrid. F1 stands for the first filial generation that was obtained on cross-pollinating the parent plants.

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Similar questions

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.

Q. Study the following and select the correct statements.

(I)

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.

Q. If

f (x) = x^{3} + x^{2} f^{'} (1) + x f^{''} (2) + f^{'''} (3)

for all

x ϵ R

, then which of the following is false?

A common test to find the genotype of a hybrid is by

(a)crossing one of the F₂ progeny with male parent.

(b)crossing one of the F₂ progeny with female parent

(c)studying the sexual behaviour of F₁progenies

(d)crossing of one F₁progeny with male parent

Q. If

F_{1}

F_{2}

makes an angle of

30^{\circ}

and

45^{\circ}

respectively with

F_{3}

as shown in the figure, and magnitude of

F_{3}

5 N

, then the magnitude of

F_{1}

and

F_{2}

respectively are (Given,

_{1} +_{2} =_{3}

)

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The hybrid progeny of the first generation is called as ………………………

The correct option is B F1 The hybrid progeny of the first generation is called as an F1 hybrid. F1 stands for the first filial generation that was obtained on cross-pollinating the parent plants.

The correct option is B
F1

The hybrid progeny of the first generation is called as an F1 hybrid. F1 stands for the first filial generation that was obtained on cross-pollinating the parent plants.