sex determination

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Author:
Anonymous
ID:
178007
Filename:
sex determination
Updated:
2012-10-16 02:03:43
Tags:
sex determination
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Description:
sex determination
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  1. Sex=
    gender=
    • sex = biological
    • gender = socially constructed
  2. how many pairs of chromosome does each human cell has
    2 types of chromosomes and what they influence/determine?
    23

    autosomes - influence all characteristics except primary sex determination

    sex chrmosomes- determine primaty sex determination = X & Y chromosomes

    • female = XX
    • male = XY
  3. what is sexual dimorphism
    the phenomena by which males and females diplay basic differences in size and shape
  4. in general males:

    In general females:
    larger, with more develop masculature

    anatomical traitss related to childbirth, esp. in pelvis
  5. at birth is there dimorphsm between boys and girls

    when do differences emerge

    how much earlier is adolescent growth spurt in girls?
    slight sexual dimorphism but differences (major) dont emerge until after puberty

    2 years earlier in girls

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