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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

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The correct Answer is:
D
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. An abnormal human baby with XXX sex chromosomes was born due to

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  2. Alleles are:

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  3. A gene showing codominance has

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  4. The term "linkage" was coined by

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  5. Select the wrong statement

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  6. A colour blind man marries a woman with normal sight who has no histor...

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  7. In his classive experiments on pea plants mendel did not use

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  8. A pleiotropic gene

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  9. A plant species A has a diploid number of chromosomes as 12. Another p...

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  10. In a testcross involving F(1) dihybrid flies, more parental-type offsp...

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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. Which of the following statements is not true for cancer cells in rela...

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

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  15. Pick out the correct statement (I) Haemophilia is a sex-linked reces...

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  16. Which one of the following generates new genetic combinations leading ...

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  17. A true breeding plant is

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  18. If a colour -blind man marries a woman who is homzygous for normal col...

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  19. Which one form those given below is the periods for Mendel's hybridiz...

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

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