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Select the incorrect statement.
  • a)
    Male fruit fly is heterogametic
  • b)
    In male grasshoppers 50% of sperms have no sex-chromosome
  • c)
    In domesticated fowls, sex of progeny depends on the type of sperm rather than egg
  • d)
    Human males have one of their sex-chromosome much shorter than the other
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Select the incorrect statement.a)Male fruit fly is heterogameticb)In m...
In birds female heterogamety is found thus sex of progeny depends on the types of egg rather than the type of sperm.
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Select the incorrect statement.a)Male fruit fly is heterogameticb)In m...
Incorrect Statement: In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Explanation:

Sex determination in birds is different from mammals. In birds, sex chromosomes are denoted as ZW, where males have ZZ and females have ZW chromosomes. The sex of the offspring is determined by the male gamete, unlike mammals where it is determined by the female gamete.

The sperm of a male bird can carry either a Z or W chromosome, whereas the egg always carries a Z chromosome. If the sperm that fertilizes the egg carries a Z chromosome, the offspring will be male (ZZ); if it carries a W chromosome, the offspring will be female (ZW). Therefore, the sex of the progeny depends on the type of sperm that fertilizes the egg, not the type of egg.

Hence, option C is incorrect as it states that the sex of progeny in domesticated fowls depends on the type of egg rather than sperm, which is not true.
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Select the incorrect statement.a)Male fruit fly is heterogameticb)In male grasshoppers 50% of sperms have no sex-chromosomec)In domesticated fowls, sex of progeny depends on the type of sperm rather than eggd)Human males have one of their sex-chromosome much shorter than the otherCorrect answer is option 'C'. Can you explain this answer?
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Select the incorrect statement.a)Male fruit fly is heterogameticb)In male grasshoppers 50% of sperms have no sex-chromosomec)In domesticated fowls, sex of progeny depends on the type of sperm rather than eggd)Human males have one of their sex-chromosome much shorter than the otherCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Select the incorrect statement.a)Male fruit fly is heterogameticb)In male grasshoppers 50% of sperms have no sex-chromosomec)In domesticated fowls, sex of progeny depends on the type of sperm rather than eggd)Human males have one of their sex-chromosome much shorter than the otherCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Select the incorrect statement.a)Male fruit fly is heterogameticb)In male grasshoppers 50% of sperms have no sex-chromosomec)In domesticated fowls, sex of progeny depends on the type of sperm rather than eggd)Human males have one of their sex-chromosome much shorter than the otherCorrect answer is option 'C'. Can you explain this answer?.
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