Genetics I

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Genetics I
DNA Technology
Evolution I
Evolution II
Genetics II
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The passing of traits from parents to offspring
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HEREDITY
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Having two dominant alleles for a trait
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HOMOZYGOUS DOMINANT
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An organisms genetic make up constitutes this
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GENOTYPE
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Mendels finding that the alleles of a gene
separate from each other during meiosis
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Law of Segregation
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Mendels finding that the inheritance of one
trait had no effect on the inheritance of another
trait
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Law of Independent Assortment
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The X and Y chromosomes are also known as this
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SEX CHROMOSOMES
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A trait found on the X chromosome is said to be
this
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SEX-LINKED
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Phenomenon that occurs when the dominant allele
is not completely dominant over the recessive
allele.
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INCOMPLETE DOMINANCE
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Phenomenon where two alleles are both dominant
seen in Type AB blood
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CODOMINANCE
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Phenomenon where more than one pair of alleles
codes for one particular trait (Ex/Hair color
skin color)
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POLYGENIC TRAIT
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An organisms complete collection of genes is
called its?
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GENOME
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What is this a picture of?
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DNA FINGERPRINT
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Enzymes that cut DNA molecules at specific
sequences
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RESTRICTION ENZYMES
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Small, circular pieces of bacterial DNA that
replicate when the bacterial cell replicates.
Often used in genetic engineering experiments.
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PLASMIDS
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A piece of DNA that has been created by gluing
together DNA from two different sources
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RECOMBINANT DNA
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Darwin developed his Theory of Evolution after
visiting this place
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GALAPAGOS ISLANDS
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Process by which populations become better suited
to their environments
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ADAPTATION
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The ability to survive and reproduce in a
particular environment
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FITNESS
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Structures that have similar anatomical structure
but different functions
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HOMOLOGOUS STRUCTURES
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Structures which seem to have no current function
in an organism (but did in an ancestor)
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VESTIGIAL STRUCTURE
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All of the genes in a population of organisms
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GENE POOL
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Members of a population that can mate and produce
fertile offspring define this
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A SPECIES
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Separation of members of a population by some
physical barrier (like a river)
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GEOGRAPHIC ISOLATION
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When allele frequencies remain stable from one
generation to the next
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GENETIC EQUILIBRIUM
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When selection favors intermediate phenotypes
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STABILIZING SELECTION