Question

. In a monohybrid cross male plants having red coloured flowers were crossed with the females
plants with white coloured flowers. It was seen that in the first generation (Fl) all the offspring
bore red coloured flowers. However, when 56 such plants were self-crossed, it was observed in
the second generation (F2) that 39 plants bore red flowers and only 13 had white flowers,
(i) What are the genotypes of and F2 progeny?
(ii) What inference could be drawn from the above data?
(iii) What would be the genotypic ratio of the progeny if the F males were crossed with parent
females?​

Answer 1

Answer:

Symbols RR and rr are used for the sake of convenience and using a particular alphabet has no scientific basis. Usually, the first letter of a particular trait is used to describe that character and the contrasting character is shown by the same letter but in a different case. As per convention, dominant trait is shown by a capital letter and the recessive trait is shown by lower case letter.

Explanation:

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