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A gene is said to be dominant if...

A gene is said to be dominant if

A

It expresses its effect only in homozygous state

B

It expresses its effect only in heterozygous condition

C

It expresses it effect both in homozygous and heterozygous condition

D

It never expresses it's effect in any condition

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The correct Answer is:
C
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. Which of the following is the example of sex-linked disease?

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  2. Which of the following is an example of pleiotropy ?

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  3. A gene is said to be dominant if

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  4. On selfing a plant of F(1)-generation with genotype "AABbCC", the geno...

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  5. A diseased man marries a normal woman.They get three daughters and fiv...

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  6. Down's syndrome in caused by an extera copy of chromosome number 21 ....

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  7. Which of the following discoveries resulted in a Nobel Prize

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  8. Two crosses between the same pair of genotypes or phenotypes in which ...

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  9. The genes controlling the seven pea characters studied by Mendel are n...

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  10. Which one of the following traits of Garden Pea studied by Mendel was ...

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  11. Mammorary glands in female, moustaches and beard in muman males are ex...

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  12. In Drosophila, the sex is determined by

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  13. One of the parents of a cross has mutation in mitochondria. In that cr...

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  14. Lack of independent assortment between two genes A and B in fruit fly ...

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  15. What kind of evidences suggested that man is more closely related with...

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  16. The recessive gene located on X-chromosome of humans are always

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  17. A male human is heterozygous for autosomal genes A and B and is also h...

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  18. A self-fertilizing trihybrid plant forms

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  19. There are three genes a,b,c percentage of crossing over between a an...

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  20. the linkage map of X -chroosomes of fruitfly has 66 units with yellow ...

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