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Genetics Mendel Law2

Genetics Mendel's Law

modes of inheritance single - gene diseases
autosomal dominant affects both sexes and appears every generation
autosomal recessive affects both sexes and skips generation
"elementen" traits inherited from generation to generation (prior to "genes" [1857 - 1863] )
Gregor Mendel "father of genetics"
ratio 1/4 when non - true breeds propogate
law of segregation genes or "elementum" separate in the gametes; inheritance of 2 alleles for a single gene
Mendel's Second Law - Independent Assortment random alignment of chromosome pairs during Meiosis I and metaphase
dihybrid cross 2 genes and traits are followed from one generation to the next
independently assort packed genes into gametes at random
nucleotide single building block of DNA
purines 2 ring structured nucleotides
pyrimidines 1 ring structured nucleotide
complementary base pairs purine - pyrimidine couples
histone proteins in which DNA coils itself
nucleosome bead part of DNA
Created by: lesterstoffels



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