In which one of the following combinations $(a - d)$ the number of chromosomes of the present day hexaploid wheat is correctly represented?
In which one of the following combinations $(a - d)$ the number of chromosomes of the present day hexaploid wheat is correctly represented?
- [AIIMS 2006]
- A
Mono-somic $\to $ $21$, Haploid $\to $ $28$, Nulli-somic $\to $ $42$, Tri-somic $43$
- B
Mono-somic $\to $ $7$, Haploid $\to $ $28$, Nulli-somic $\to $ $40$, Tri-somic $42$
- C
Mono-somic $\to $ $21$, Haploid $\to $ $7$, Nulli-somic $\to $ $42$, Tri-somic $43$
- D
Mono-somic $\to $ $41$, Haploid $\to $ $21$, Nulli-somic $\to $ $40$, Tri-somic $43$
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- [AIIMS 1993]
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