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A diploid with only one allele (e.g., ma...

A diploid with only one allele (e.g., man is for XY chromosomes) is known as

A

homozygous

B

hemizygous

C

heterozygous

D

none of these

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The correct Answer is:
B
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. A dihybrid test cross ratio for two linked genes in a hybrid is

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  2. Interference is 1. decrease in frequency of crossing over because of ...

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  3. A diploid with only one allele (e.g., man is for XY chromosomes) is kn...

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  4. Which of the following genetic events represents a case of incomplete ...

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  5. A homozygous red eyed female was mated with white eyed male, a daughte...

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  6. Translocation occurs during spontaneous chromosomal aberrations. Durin...

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  7. In a linear chromosome map, distances between 4 loci is as follows, a-...

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  8. The parents of Triticale (first synthetic man made hybrid plant made b...

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  9. A haemophilic man marries a normal homozygous woman. What is he probab...

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  10. A normal woman whose father was haemophilic (X^(h)Y) marries a normal ...

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  11. A woman (whose father is colour bling but mother is normal) marries a ...

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  12. A recessive gene expresses only in homozygous condition. Some times, a...

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  13. Of a normal couple, half of sons are haemophilic and half the daughter...

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  14. A holandric gene in man causes hypertrichosis. When a man with hairy e...

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  15. A colour blind girl can be born when

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  16. A colour blind man marries the daughter of a colour blind lady and a n...

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  17. Both father and mother have allele for PKU but are phenotypically norm...

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  18. A cross of white eyed female and red eyed male drosophila gives red ey...

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  19. If husband and wife both are normal in vision but fathers of both were...

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  20. What will you call this set up 2n-2+2?

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