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Unit 7 Review - Coggle Diagram

- - - - This results in the 4 cells only getting half of the DNA information from the parent cells.
        
        Sex cells contains a random assortment of chromosomes.
        
        In prophase 1, crossing over occurs between homologous chromosomes. They also swap the same genes from the chromosomes.
        
        Crossing over helps create new genetic combinations.
- - - - Law of Independent Assortment: This law states that the allele inherited from one gene does not influence any other gene. For example, blue eyes do not correlate with inheriting red hair. They are all independent.
- - - - Punnett Squares are used to predict the probability of whether an offspring will inherit a specific gene.
        
        Pedigrees are a similar diagram used. They are shaped like a family tree and a key is used to see how the inheritance patterns work.
- - - - In order to know whether Turner's Syndrome is present, there would only be one X chromosome instead of two, with only 45 chromosomes instead of 46
        
        . For Klinefelter’s Syndrome, people usually have one extra X chromosome, summing up to 47 chromosomes.
        
        Trisomony 13 has an extra chromosome on Chromosome 13