3365571
Description
Mind Map by Jessica Phillips, updated more than 1 year ago
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Created by Jessica Phillips
over 9 years ago
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Gender and Chromosomes
- 23 pairs of chromosomes
- XX - Female
- XY - Male
- Autosomes, they carry the same information
- Usually there is a direct link between chromosomal
sex and external and internal genitalia
- During prenatal development male and female embros look the same
- The sex organs begin to develop differently at six weeks
- The sex organs begin to develop differently at six weeks
- During prenatal development male and female embros look the same
- XX - Female
- Atypical chromosome disorders
- Turners syndrome
- Identify themselves as females
- XO - Only survivable condition where one chromosome is inherited
- Physical characteristics
- No ovaries (no
menstruation)
- Sterile
- Sterile
- No breasts
- Short
- Webbed neck
- Low set ears
- No ovaries (no
menstruation)
- Psychological characteristics
- High verbal ability
- Low spatial and mathematical ability
- Difficulty relating to peers
- High verbal ability
- 1 in 2000 births
- Identify themselves as females
- Klinfelter's
syndrome
- XXY - extra X chromosome
- Male
- 1 in 500
births
- Physical
characterists
- Undescended testes
and undersized penises
- Rounding of body contours
- Some breast development
- Some breast development
- Little body hair
- Long
limbs
- Clumsy
- Undescended testes
and undersized penises
- Psychological characteristics
- Lack of interest in sexual activity
- Passive
- Lacking in ambition
- Poor language and reading ability
- Poor judgement
- High level of gender confusion
- Lack of interest in sexual activity
- XXY - extra X chromosome
- Atypical chromosome patterns support the role of
genetics in gender development as characteristics
are different from typical chromosome patterns
- Turners syndrome
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