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Science · 2026 · 3 marks
CBSE 2026 · Region 5 · Set 1 · Q13
Based on Mendel's experiment show the cross between round, yellow seeds of pea plant (RRYY) with wrinkled and green seeds of pea plant (rryy) upto…
Based on Mendel's experiment show the cross between round, yellow seeds of pea plant (RRYY) with wrinkled and green seeds of pea plant (rryy) upto $\displaystyle \mathrm{F}_{2}$ generation. Write the number of seeds/plants with following genetic (Genotype) makeup in $\displaystyle \mathrm{F}_{2}$ generation :
(i)
RRYY
(ii)
rryy
Marking-scheme solution
RY Ry rY ry
RY Ry rY Ry
(i) RRYY - $\displaystyle 1$
(ii) rryy - $\displaystyle 1$
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.