The allele for tallness is dominant over that of dwarfness. This is called:
1. Law of independent assortment
2. Law of segregation
3. Law of unit character
4. Law of dominance
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDue to the cross between TTRr × ttrr the resultant progenies showed how many percent plants tall, red flowered:
1. 50%
2. 75%
3. 25%
4. 100%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA plant of F1-generation with genotype "AABbCC". On selfing of this plant what is the phenotypic ratio in F2-generation:
1. 3 : 1
2. 1 : 1
3. 9 : 3 : 3 : 1
4. 27 : 9 : 9 : 9 : 3 : 3 : 3 : 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is:
1. Pentaploidy
2. Diploidy
3. Triploidy
4. Tetraploidy
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology