animal breeding and genetics exam 2

genotype

used to describe a trait in an individual

gene and genotypic frequencies

used to descrbie a trait in a population

gene frequency

relative frequency of an allele in a population

what can gene frequency measure?

how common an allele is in relation to other alleles at that locus

gene frequencies range from?

0 to 1

gene frequencies are represented by?

lowercase letters

what two letters represent gene frequency?

p and q

what does p mean?

frequency of dominant allele

what does q mean?

frequency of recessive alllele

p + q = ?

1

p + q = 1 is only true if….

there are just 2 possible alleles at a locus

genotypic frequencies

relative frequency of a one-locus genotype in a population

_____ _____ denote genotypic frequency

uppercase letters

what does P represent?

homozygous dominant

what does H represent?

heterozygous

what does Q represent?

heterozygous recessive