heredity 15 facts (tyrane)

1)Nobody knew about chromosomes until the middle of the 20th century
2)Heredity- the passing of genetics from parent to offspring3)Aristotle thought that the father supplied the life force and the mother supplied the building blocks4)Aristotle thought that semen was highly purified menstrual blood5) Greg Mendel said that inheritance followed particular patterns6)Greg Mendel came up with how genetics are passed to generations in the 1800's7)All eukaryotic cells have chromosomes8)Human cells have 23 pairs of chromosomes9)Chromosome 16 determines the wetness or dryness of ear wax10)Gametes have only one set of chromosomes11) Gametes are sex cells13)Homozygus is when both alleles being passed on are the same14)Heterozygus is when both alleles being passed on are different15)Phenotype is what is expressed physically