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Q. No.In a plant red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt:
1. 50% will be tall with red fruit
2. 75% will be tall with red fruit
3. All the offspring will be tall with red fruit
4. 25% will be tall with red fruit
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For finding the different types of gametes produced by genotype AaBb, it should be crossed with genotype
1. AABB
2. aabb
3. AaBb
4. aaBB.
Self fertilising trihybrid plants form
1.Eight different gametes and 64 different zygotes
2. Four different gametes and sixteen different zygotes
3. Eight different gametes and sixteen different zygotes
4. Eight different gametes and thirty two different zygotes
In Mendel's experiments with garden peas, round seed shape (RR) was dominant over wrinkled seeds (rr), and yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?
| 1. | Only round seeds with green cotyledons |
| 2. | Only wrinkled seeds with yellow cotyledons |
| 3. | Only wrinkled seeds with green cotyledons |
| 4. | Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons |
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Q. No.
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