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Question: Answered & Verified by Expert
Select the correct statement.
BiologyPrinciples of Inheritance and VariationNEET
Options:
  • A Sex-linked traits appear more frequently in females
  • B Colour blindness is caused due to proper formation of colour sensitive cells
  • C Human females have a double dose of the X chromosome
  • D Drone bees produce sperms by meiosis
Solution:
2276 Upvotes Verified Answer
The correct answer is: Human females have a double dose of the X chromosome
-Human females are XX and hence they show a double dose of the X chromosome.

-Sex-linked traits appear more frequently in males and females are carriers.

-Colour blindness is due to improper formation of cones (colour sensitive cells).

-Drone bees are infertile males.

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