Highlights of Evolutionary Theory Flashcards
Darwin’s Theory of Natural Selection
animals that are better suited to their environment are more likely to survive and pass on their traits to their babies
Genetic Drift
when changes happen over time that make the current population very different from the original
Gene flow
when genes move from one group to another, mixing things up and adding more variety
Mutation
random change to DNA sequence (faulty allele)
Gregor Medel
discovered heredity determined by discrete particles or units
Mendelian Genetics
discovered heredity by working with pea plants (used selective breeding)
Homozygous
two of the same allele
Heterozygous
two different alleles
Uniformitarianism
the idea that change happened gradually
Catastrophism
the idea that change happened because of one big catastrophe
Lamarkian Evolution
whatever happened to an individual will happen the the off spring (get a tan, have muscles)
Natural Selection
there will be variation between generations that will provide an advantage
Artificial Selection
genetically modified