A Punnett square is used to determine the __________.
A.
probable outcome of a genetic cross
B.
different forms of a gene
C.
result of a gene mutation
D.
actual outcome of a genetic cross


Please select the best answer from the choices provided

A
B
C
D





If having dimples is dominant (D) and not having dimples is recessive (d), which of the following correctly describes the phenotypes in the table?
A.
all of the offspring have dimples
B.
two of the offspring have dimples and two do not have dimples
C.
three of the offspring have dimples and one does not have dimples
D.
all off the offspring will not have dimples


Please select the best answer from the choices provided

A
B
C
D


If the ability to roll one’s tongue is dominant (R) and the inability to roll one’s tongue is recessive (r), what would the genotype be for someone who can not roll their tongue?
A.
RR and rr
B.
Rr
C.
Rr and rr
D.
rr


Please select the best answer from the choices provided

A
B
C
D