bio quiz #9

dominant:principle of dominance

• a cross

• if two individuals that are pure for contrasting traits are crossed,only one trait will appear in the offspring

• banana

• strawberry

recessive

• in cross

• in a cross between contrasting traits,it is the trait that does not appear

• banana

• strawberry

principle of independent assortment

• in cross

• banana

• the principle stating that genes for different traits are distributed to gametes independently of one another

• strawberry

incomplete dominance

• strawberry

• cross

• the type of inheritance in which two contrasting alleles contribute to an offspring a trait not exactly like either parent (blending inheritance)

• banana

codominance

• strawberry

• cross

• the type of inheritance in which both alleles of a contrasting pair are fully expressed in the heterozygous individual with blending

• banana

test cross

• strawberry

• cross

• the method for determining whether an individual showing a dominant trait is homozygous or heterozygous for the trait

• banana

mono hybrid cross

• strawberry

• a cross in which only one pair of contrasting traits are studied

• banana

• cross

dihybrid cross

• strawberry

• cross

• a cross in which two pairs of contrasting traits are studied

• banana

crossing over

• strawberry

• when linked genes are separated during synapsis in meiosis

• banana

• cross

synapsis

• strawberry

• cross

• banana

• during meiosis when the four chromatids of a homologous pair twist around each other