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A gene showing codominance has...

A gene showing codominance has

A

one allele dominant on the other

B

alleles tightly linked on-the same chromosome

C

alleles that are recessive to each other

D

Both alleles independently expressed in the heterozygote

Text Solution

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The correct Answer is:
D
Both alleles independently expressed in the heterozygote
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KUMAR PRAKASHAN-PRINCIPLES OF INHERITANCE AND VARIATION -SECTION -F (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQs ASKED IN COMPETITIVE EXAM)
  1. In the following human pedigree, the filled symbols represent the affe...

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  2. The term "linkage" was coined by

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  3. A gene showing codominance has

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  4. The mechanism that causes a gene to move from one linkage group to ano...

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  5. what is true breeding line?

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  6. If a colourblind man marries a woman who is homozygous for normal colo...

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  7. A tall true breeding garden pea plant is crossed with a dwarf true bre...

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  8. Pick out the correct statements. I. Haemophilia is a sex-linked rece...

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  9. In a test cross involving F1 dihybrid flies, more parental-type offspr...

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  10. Match the terms in column - I with their description in column - II an...

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  11. A cell at telophase stage is observed by a student in a plant brought ...

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  12. Which of the following most appropriately describes haemophilia ?

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  13. A disease caused by an autosomal primary nondisjunction is

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  14. Thalassemia and sickle-cell anemia are caused due to a problem in glob...

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  15. The genotypes of a husband and wife are I^A I^Band I^A i.. Among the b...

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  16. Among the following characters, which one was not considered by Mendel...

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  17. Which one from those given below is the period of Mendel.s hybridisati...

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  18. A woman has an X-linked condition on one of her X-chromosomes. This ch...

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  19. Which of the following characteristics represent "Inheritance of blood...

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  20. Select the correct statement :

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