Recessive Disorders Dominant Disorders
SickleCell Disease Achondroplasia
single as in hemoglobin
protein aminoacid
mutation in gene thatcodes
Me GÉfnt
for betachain
6ᵗʰ as GlutamicAcid valine Polydactl
6 fingers dominant
amino acid changed so protein 5 fingers recessive
won't make hemoglobin
Lethal Alleles
Albinism partial complete absence of Recessive passeddownfrom1 gen tonext
melanin homozygous recessive death
Dominant
Cystic Fibrosis I copy death before individual matures produce
late onset
Huntington Disease
gradual neural degeneration
age 40
childhas 50 chanceofinheritance
Overproduction more offspring produced thancansurvive
Unequal Ability to survive reproduce
Nonrandom survival reproduction survival reproduction is based on phenotype
best added most offspring
Thomas Malthus natural resources LIMITED
organisms compete for resources
more ind than resources
Illustrations of Evolution
Artificialselection humandriven
Direct Observation antibioticresistance
Homology similarity resulting fromcommon ancestry
FossilRecord remains or traces inrock of previously
existing organisms
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