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Question:. Who determines sex of the baby?. King Henry VIII & his six wives 1509 - 1547 Born: 28 June 1491 - Greenwich Palace Father: King Henry VII Mother: Elizabeth of York Reigned: 1509 - 1547 Died: 28 January 1547. King Henry VIII. The wives of King Henry VIII.

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Question:

Who determines sex of the baby?


  • King Henry VIII & his six wives

    • 1509 - 1547

  • Born: 28 June 1491

  • - Greenwich PalaceFather: King Henry VIIMother: Elizabeth of YorkReigned: 1509 - 1547Died: 28 January 1547


  • King Henry VIII


    The wives of King Henry VIII

    • Catherine of Aragon - divorced

    • Anne Boleyn - beheaded

    • Jane Seymour - died

    • Anne of Cleaves - divorced

    • Catherine Howard - beheaded

    • Catherine Parr - survived


    • 1) Catherine

    • of Aragon

    • - divorced


    The wives of King Henry VIII

    2) Anne Boleyn

    - beheaded


    2) Anne Boleyn

    - beheaded


    The wives of King Henry VIII

    3) Jane Seymour

    - died


    The wives of King Henry VIII

    4) Anne of Cleaves - divorced


    5) Catherine

    Howard

    - beheaded


    Catherine Parr

    - survived


    Moral:


    Moral:

    Don’t anger the King.


    Moral:

    Don’t anger the King.

    Sex is determined by males!


    How many chromosomes are in a human nucleus?


    46 Chromosomesin every body cell


    44 Chromosomesare autosomal


    2 chromosomes are sex


    Sex Chromosomes

    Male = XY

    Female = XX


    X

    X


    X

    X

    gene

    A

    a

    gene

    Q

    q

    f

    gene

    F


    XX

    XY

    marries


    XX

    XY

    marries

    X


    XX

    XY

    marries

    X


    XX

    XY

    marries

    X

    Y

    X


    XX

    XY

    marries

    X

    Y

    X

    Girl

    Boy


    In DNA, what matches with “A”?


    In DNA, what matches with “G”?


    DNA


    3 billion base pairs in a body cell


    Chromosome

    Allele 2

    Allele 1


    Color Blindnessis a sex-linked recessive conditionSex-linked = X-linked!


    Males

    XN Y =Normal

    Xn Y =affected


    Females

    XN XN =Normal

    XN Xn =Carrier

    Xn Xn =affected


    Ishihara Test for Color Blindness:


    Normal color vision should have seen a “5”. Red/green color blindness should have seen a “2”.


    Hardy-Rand-Rittler TestTry to find a circle, square, star and/or boat in the next couple of pictures.


    Normal vision should see the yellow and “faint” brown objects. Color Blind people should only see the yellow objects.


    Hemophilia = recessive and X-linked


    Males

    XN Y =Normal

    Xn Y =affected


    Females

    XN XN =Normal

    XN Xn =Carrier

    Xn Xn =affected


    Xn Y

    XN XN


    Xn Y

    XN XN


    Xn Y

    XN XN

    XN


    Xn Y

    XN XN

    XN


    Xn Y

    XN XN

    Xn

    Y

    XN


    Xn Y

    XN XN

    Xn

    Y

    XN Xn

    XN


    Xn Y

    XN XN

    Xn

    Y

    XN Xn

    XN Y

    XN


    Xn Y

    Can a hemophiliac father pass his bad allele to his son?


    Xn Y

    NO!He passes the bad allele to his daughters!


    Hemophilia

    Xn Y

    n

    X

    Y

    Daughter

    Son


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