THE ROLE OF CHROMOSOMES AND HORMONES

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  • Created by: rosannaaa
  • Created on: 19-03-18 16:00
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  • THE ROLE OF CHROMOSOMES AND HORMONES
    • THE ROLE OF CHROMOSOMES
      • Chromosomes are made from DNA. Genes are short sections of DNA that determine characteristics of a living thing.
      • Chromosomal structure for females in **
      • Half the sperm carry an X chromosome and half a Y.
      • The baby's sex is determined by the sperm that fertilises the egg cell.
      • There are 46 chromosomes in the human body arranged into 23 pairs. the 23rd pair determines biological sex.
    • ROLE OF HORMONES
      • Gender development comes about through the influence of hormones.
      • OESTROGEN
        • Female hormone that determines female sexual characteristic and menstruation
      • OXYTOCIN
        • Reduces stress hormone cortisol - facilitates bonding
        • Women produce more amounts of Oxycontin than men.
        • The hormone stimulates lactation making it possible to breastfeed.
  • Male hormone that controls the development of male sex organs.

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