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genetics , a pair of corresponding chromosomes of same shape and size,one…

- - - - 23 pairs
        
        1 pair (allosome)
        
        22 pair (autosome_
  - - - present in somatic cells.
        
        they undergo MItosis
        
        they determine general body features
    - - present in gamete cells
        
        they undergo meiosis
        
        they determine the sex of the organism
  - - - if egg(X) fuses with Y-sperm= son
        
        Male gamete-one gamete 22+x other gamete 22+y
        
        Male gamete= heterogametes
      - Female gamete - one gamete 22+x other gamete 22+x
        
        Female gametes= homogamete
- - - - genotype - the symbolic representation of the phenotype.
- - - - eg- insulin
  - - - X-linked disorders - color blindness and hemophilia
        
        Y- linked disorder- pattern baldness.
- - - - colorblindness = cannot differentiate b/w red or green and etc colors.
      - hemophilia = blot clots do not form and a person can die of excess bleeding.