In a monohybrid cross male plants having red coloured flowers were crossed with the fan

plants with white coloured flowers. It was seen that in the first generation (F) all the olfs bore red coloured flowers. However, when 56 such plants were self-crossed, it was observa

the second generation (F, ) that 39 plants bore red flowers and only 13 had white flowers i) What are the genotypes of F 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 p.

females?

ii) Above data is for Monohybrid cross which is the cross made while observing only one trait, For example if tall plants of pea are crossed with short plants then the outcome would be all tall plants. In this case we have studied only one pair of contrasting character which is colour hence it is a monohybrid cross. If two pairs of contrasting characters are studied it is known as dihybrid and for 3 it is known as trihybrid cross. These crosses have got nothing to do with homozygosity or heterozygosity.
Monohybrid cross always tells whether a trait is dominant or recessive.
iii) This part is not clear, something is missed in the question.
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