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Principles Of Inheritance And Variation

Question
CBSEENBI12047483

Study the following statements.

I. F1 -progeny is the first hybrid generation and progeny resembles either of the two
parents.

II. F2 progeny is a resultant hybrid generation of cross pollination among F1 progeny and progeny shows retain as such both drawf and tall plants.

III. Fprogeny is second hybrid generation, produced by selfing F1 hybrids and progeny contained both drawf and tall plants.

IV. The proportion of probability of plants that were drawf were 1/4th of the F2 plants while 3/4th of the F2 plants were tall.

The correct statements are

  • I, II, III, IV

  • I, III, IV

  • I, II, IV

  • III, IV

Solution

B.

I, III, IV

Statement III can be corrected as follows-

In F2 generation self-pollination is done, not the cross pollination between F1 hybrids.