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Sex determination in human being is______.
  • a)
    XY type
  • b)
    XX type
  • c)
    XXY type
  • d)
    YY type
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Sex determination in human being is______.a)XY typeb)XX typec)XXY type...
  • In humans, the males are heterogametic as they have XY sex chromosomes, so they make 50% sperms with X chromosome and 50% sperms with Y chromosome. Females are homogametic. All gametes made by them have X chromosomes. So, humans show XX-XY type of sex determination.
Hence, the correct option is A.
NCERT Reference: Topic SEX DETERMINATION of chapter "Principles of Inheritance and Variation" OF NCERT.
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Most Upvoted Answer
Sex determination in human being is______.a)XY typeb)XX typec)XXY type...
  • In humans, the males are heterogametic as they have XY sex chromosomes, so they make 50% sperms with X chromosome and 50% sperms with Y chromosome. Females are homogametic. All gametes made by them have X chromosomes. So, humans show XX-XY type of sex determination.
Hence, the correct option is A.
NCERT Reference: Page no. 87 of topic “5.6 SEX DETERMINATION” of chapter 5.
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Community Answer
Sex determination in human being is______.a)XY typeb)XX typec)XXY type...
OPTION A IS CORRECT BECAUSE IN HUMANS X IS OBTAINED FROM THE MATERNAL SIDE AND Y IS OBTAINED FROM THE PATERNAL SIDE.SO,IT BECOMES XY TYPE FOR HUMANS.
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Sex determination in human being is______.a)XY typeb)XX typec)XXY typed)YY typeCorrect answer is option 'A'. Can you explain this answer?
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