genetics and genomics Flashcards
study of inheritance of characteristics
genetics
sequence of nucleotides of DNA
gene
rod-shaped sequence of DNA
chromosome
all DNA in a cell
genome
cells with 23 pairs of chromosomes
somatic
two sets of 23 chromosomes
diploid
one set of 23 chromosomes
haploid
study of the body in terms of multiple, interacting genes
genomics
a variation of a particular gene
alleles
the particular combination of alleles
genotype
the expression(appearance) resulting from a particular genotype
phenotype
the most common and produce the normal functioning phenotype
wild-type alleles
a change from the wild-type and often cause disease
mutant alleles
shows parents’ genotypes and probability of future children’s genotypes
punnett square
shows past family relationships and expression of known traits
pedigree