4.2 Flashcards
1
Q
what is evolution?
A
a change in allele frequency in a population over time
2
Q
what is a gene pool?
A
all the alleles of all the genes in a population
3
Q
in the Hardy-Weinberg equation, what does p stand for?
A
the dominant allele
4
Q
in the Hardy-Weinberg equation, what does q stand for?
A
recessive allele
5
Q
in the Hardy-Weinberg equation, what does p^2 stand for?
A
homozygous dominant
6
Q
in the Hardy-Weinberg equation, what does q^2 stand for?
A
homozygous recessive
7
Q
in the Hardy-Weinberg equation, what does 2pq stand for?
A
heterozygous
8
Q
give the two equations related to Hardy-Weinberg
A
p + q = 1
p^2 + 2pq + q^2 = 1
9
Q
what is needed for a new species to arise?
A
reproductive isolation
10
Q
what is speciation?
A
the formation of a new species
