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Identify and write the correct statement...

Identify and write the correct statement :
(a) Drosophila male has one X and one Y chromosome.
(b) Drosophila male has two X chromosomes.

Text Solution

Verified by Experts

(a) True. (Drosophila male has one X and one Y chromosome)
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Knowledge Check

  • The Drosophila female has a pair of sex chromosome :

    A
    ZZ
    B
    XX
    C
    XY
    D
    ZW
  • Which has an additional Y-n chromosome ?

    A
    Turner's syndrome
    B
    Down 's syndrome
    C
    Klinefetlter's syndrome
    D
    super female
  • Identify two correct statements about meiosis (a)Bead like structures absent on chromosomes (b) Displacement of chiasmata occurs in diakinesis (c) Separation of two basic sets of chromosomes (d) No division of centromeres.

    A
    b and d
    B
    b and c
    C
    c and d
    D
    a and c
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    Sex of the offspring is determined by (A) only the mother, because she has two X chromosomes (B) only the father, because he has one X and one Y chromosome (C) an X chromosome from the mother and either an X or Y chromosome from the father (D) mutations

    In humans, Y chromosome is responsible for maleness.

    In humans, Y chromosome is responsible for maleness.

    The correct human chromosome number of male is :

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