Respiration in PlantsHard
Question
In which one of the following combinations (a-a) the number of chromosomes of the present day nhexaploid wheat is corretly represented
Options
A.Mono-somic = 21
Haploid = 28
Nulli-somic = 42
Tri-somic = 43
Haploid = 28
Nulli-somic = 42
Tri-somic = 43
B.Mono-somic = 7
Haploid = 28
Nulli-somic = 40
Tri-somic = 42
Haploid = 28
Nulli-somic = 40
Tri-somic = 42
C.Mono-somic = 21
Haploid = 7
Nulli-somic = 42
Tri-somic = 43
Haploid = 7
Nulli-somic = 42
Tri-somic = 43
D.Mono-somic = 41
Haploid = 21
Nulli-somic = 40
Tri-somic = 43
Haploid = 21
Nulli-somic = 40
Tri-somic = 43
Solution
1n=21; monosomis (2n-1)=42-1=41; nullisomic (2n-2)=42-2=40. Trisomic (2n+1)=42+1=43
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