Dihybrid Crosses

Question 1 of 5

1

In the cross shown, which of the following most likely represents the genotypes of the parents?

Select one of the following:

bbll x BbLl
BbLl x BbLl
Bbll x bbll

Explanation

Question 2 of 5

1

Two black guinea pigs are both heterozygous for hair length and hair color (BbHh). How many of their offspring will have short, white hair?

Select one of the following:

1/16
3/16
4/16
9/16

Explanation

Question 3 of 5

1

A tall, purple flowered pea plant (TtPp) is crossed with one that is short (tt) and has purple flowers (Pp). How many of their offspring will be short and have white flowers?

Select one of the following:

1/8
1/4
1/2
3/16

Explanation

Question 4 of 5

1

In fruit flies, vestigial wings are recessive (gg), and sepia eyes (ee) are also recessive. A red eyed, vestigial winged fly (Eegg) is crossed with one that is red eyed and has normal wings (EeGG). How many offspring will have sepia eyes and normal wings?

Select one of the following:

1/4
1/2
3/4
1/16
3/16

Explanation

Question 5 of 5

1

A fruit fly with sepia eyes and vestigial wings (eegg) is crossed with one that is heterozygous for both traits. How many of their offspring will have sepia eyes and normal wings?

Select one of the following:

1/8
1/4
1/2
3/4
3/16

	Created by Shannan Muskopf almost 8 years ago

Quiz on Dihybrid Crosses, created by Shannan Muskopf on 03/06/2018.

Dihybrid Crosses

Dihybrid Crosses

Question 1 of 5

In the cross shown, which of the following most likely represents the genotypes of the parents?

Select one of the following:

Explanation

Question 2 of 5

Two black guinea pigs are both heterozygous for hair length and hair color (BbHh). How many of their offspring will have short, white hair?

Select one of the following:

Explanation

Question 3 of 5

A tall, purple flowered pea plant (TtPp) is crossed with one that is short (tt) and has purple flowers (Pp). How many of their offspring will be short and have white flowers?

Select one of the following:

Explanation

Question 4 of 5

In fruit flies, vestigial wings are recessive (gg), and sepia eyes (ee) are also recessive. A red eyed, vestigial winged fly (Eegg) is crossed with one that is red eyed and has normal wings (EeGG). How many offspring will have sepia eyes and normal wings?

Select one of the following:

Explanation

Question 5 of 5

A fruit fly with sepia eyes and vestigial wings (eegg) is crossed with one that is heterozygous for both traits. How many of their offspring will have sepia eyes and normal wings?

Select one of the following:

Explanation