vocab Flashcards
heredity
Thee passing of traits from parents to offspring
trait
a specific characteristic that an organism can pass to its offspring through genes
genetics
the scientific study of heredity
fertilization
the process in sexual reproduction where an egg + sperm cell join to form a new cell
purebred/ homozygous
an offspring of crosses that has the same form of traits
gene
a sequence of DNA that determines a trait and is passed from parent to offspring
allele
the different forms of a gene
dominant allele
an allele whose trait always shows up in the organism when the allele is present
hybrid/heterozygous
an offspring of crosses that has 2 different alleles for a trait
probability
a number that describes how likely it is that a particular event will occur
punnet square
a chart that shows all the possible combinations of alleles that can result from a genetic cross
phenotype
an organisms physical appearance or visible traits
genotype
an organisms genetic make up or allele combinations
homozygous
having two identical alleles for a particular gene
heterozygous
2 different alleles for a particular gene
