Genomics
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How are field crickets in oceania showing the evolutionary process?
• Males infected by parasitoid fly which detects mating song • Some males have developed feminised wings, now mutation present on 95% of males and spreading to different islands • Different islands have different degrees of feminisation suggesting different origins?
What is a genome?
All the genetic material including both the genes and chromosomes
What 2 laws of genomics were devised by Mendel?
segregation - characteristics controlled by ‘unit pairs’ that segregate randomly independent assortment - assignment of genes controlling different traits is random
Who was the first to discover chromosomes and link them to the Mendelian laws?
Flemming (1879) - colourful bodies in cell nuclei Boveri-Sutton - discovers links to Mendelian laws