heredity Flashcards
(22 cards)
allele
1 or more alternative forms of a gene
genotype
the genetic constitution of an individual organism
phenotype
the set of observable characterist
homozygous
a matching pair of alleles
heterozygous
Aa
Dominant trait
a capital letter
recessive trait
a lower case letter
mitosis
a type of cell divison that resaults in 2 daughter cells
meiosis
a type of cell divison that resaults in 4 daughter cells
identical twins
the same DNA
fraternal twins
devolope from 1 zyogote
sex-linked disorder
genes that are linked together
chromosome
a thread like structure nuceletic acids
gene
a unit of heretdity that is transfered from a parent to offspring
DNA
a thing in all living organisms
DNA replication
process 2 identical replicas
Double helix
a pair of parellel helices intertwined about a common axis
chargaffs rule
state from any cell
mutation
a thing that a dna is mest up
delition
the action of processing or deleting
insertion
the action of interesting something
substitution
the action of replacing something
