Which of these is an example of passive immunity? a) a person develops antibodies to fight off an ear infection
b) antibodies are passed from a pregnant woman to an infant through breast milk
c) a person develops antibodies against the measles vaccine
d) a person is vaccinated for hepatitis B

the genotypes would be 50% bb and 50% bb

the phenotypes would be 50% brown and 50% white. hope this : )

answer: blah

explanation:

bc blah

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

your spelling is a little off : ]