An assignment to insure understanding of how to use a Punnett square.
Question 1
1.
In fruit flies Red eyes (wild) are dominant to white eyes (Sepia). Perform a cross between a White eyed female and a homozygous Red eyed male.
Question 2
2.
Question 3
3.
Question 5
5.
You take two of the F! offspring of the above cross and cross them. Create the punnett square for the cross below.
Question 6
6.
Question 7
7.
Question 10
10.
Which is one of the seven characteristics that Mendel
observed in pea plants?
Question 11
11.
Imagine you are performing a cross involving seed
color in garden pea plants. What F1 offspring would you
expect if you cross true-breeding parents with green seeds
and yellow seeds? Yellow seed color is dominant over
green.
Question 12
12.
The observable traits expressed by an organism are
described as its ________.
Question 13
13.
A recessive trait will be observed in individuals that
are ________ for that trait.
For the above cross, the genotypes of the offspring would be?
RR 100%
RR 75%
RR 50 %
RR 25%
RR 0%
Rr 100%
Rr75%
Rr 50%
Rr25%
Rr 0%
rr 100%
rr 75%
rr 50%
rr 25%
rr 0%
For the above cross, the Phenotype of the offspring would be?
Red Eyed 100%
Red Eyed 75%
Red Eyed 50%
Red Eyed 25%
Red Eyed 0%
White Eyed 100%
White Eyed 75%
White Eyed 50%
White Eyed 25%
White Eyed 0%
For the above cross, the genotypes of the offspring would be?
RR 100%
RR 75%
RR 50 %
RR 25%
RR 0%
Rr 100%
Rr75%
Rr 50%
Rr25%
Rr 0%
rr 100%
rr 75%
rr 50%
rr 25%
rr 0%
For the above cross, the Phenotype of the offspring would be?