CBSE Class 12-science Answered
In a cross between a pure round yellow seeded plant with a pure wrinkled green seeded plant, how many plants are produced in F2 out of 16 which are homozygous for one pair and heterozygous for another ?
Asked by Atulcaald | 19 May, 2018, 01:36: AM
Expert Answer
Parents: Round and yellow seeds (RRYY) and wrinkled and green seeds (rryy)
In F2 Generation, following are the combinations of plants which are homozygous for one pair and heterozygous for another-
- RRYy- homozygous round, heterozygous yellow
- RrYY- homozygous yellow, heterozygous round
- RRYy- homozygous round, heterozygous yellow
- Rryy- homozygous wrinkled, heterozygous round
- RrYY- homozygous yellow, heterozygous round
- rrYy- homozygous wrinkled, heterozygous yellow
- Rryy- homozygous wrinkled, heterozygous round
- rrYy- homozygous wrinkled, heterozygous yellow
Therefore, there are a total of 8 plants out of 16, which are homozygous for one pair and heterozygous for another.
Answered by Sheetal Kolte | 21 May, 2018, 09:51: AM
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