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chapter 16 (mutations (inversion mutation (DNA is in reversed order),…
chapter 16
mutations
inversion mutation
DNA is in reversed order
deletion mutation
loss of DNA
insertion mutation
inserting new DNA
any change in the sequence of DNA
crosses
dihybrid cross
2 characters considered simultaneously
monohybrid cross
single train is analyzed
disregards all other traits
punnett square
used to easily analyze the result of a cross
types
genotype
set of alleles present in genome
phenotype
observable characteristics of an organism
alleles
genes differ from nucleotide sequences
catigorize
dominant
phenotype masks recessive allele
homozygous is double CAPS (RR)
complete dominance
presence of one allele masks homologous
recessive
phenotype is covered by dominant
homozygous is lower case (rr)
heterozygous
2 different alleles
Rr dominant will mask recessive
independent assortment
double heterozygote
one allele not linked to the other
DNA polymerse
DNA synthesizing enzyme