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Alleles are:...

Alleles are:

A

true breeding homozygotes

B

different molecular forms of a gene

C

heterozygotes

D

diffeerent phenotypes

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The correct Answer is:
B
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Multiple alleles are present

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  2. An abnormal human baby with XXX sex chromosomes was born due to

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  3. Alleles are:

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  4. A gene showing codominance has

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  5. The term "linkage" was coined by

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  6. Select the wrong statement

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

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

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  9. A pleiotropic gene

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

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

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

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  13. Which of the following most appropriately describes haemophilia?

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

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

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

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

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  18. A true breeding plant is

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

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

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