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Honors Dihybrid Cross

Last updated over 1 year ago

48 questions

1

Question 1

1.

1

Question 2

2.

1

Question 3

3.

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 20

20.

Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with round eyes (B_R_).

1

Question 21

21.

Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with oval eyes?

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 34

34.

Use the chart below to identify the phenotype of a snail with the genotype WwPpbb

1

Question 35

35.

Use the chart to determine the genotype of a snail that is recessive for shell color, heterozygous for skin color, and homozygous dominant for eyes.

1

Question 36

36.

Draw the cross between a snail that is heterozygous for white shell and a snail with a black shell.

1

1

Question 38

38.

Draw the cross between two snails that are heterozygous for pink skin.

1

2

1

1

1

1

1

1

1

1

Question 4

4.

When you fill in the cross, make sure you put the Bs toghether and the Rs together

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 22

22.

Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with round eyes?

Question 23

23.

Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with oval eyes?

Question 24

24.

What is the phenotypic rato?

Question 25

25.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of BbLl?

blue eyes long nose

blue eyes stubby nose

purple eyes long nose

purple eyes stubby nose

Question 26

26.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbLl?

blue eyes long nose

blue eyes stubby nose

purple eyes long nose

purple eyes stubby nose

Question 27

27.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of Bbll?

blue eyes long nose

blue eyes stubby nose

purple eyes long nose

purple eyes stubby nose

Question 28

28.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbll?

blue eyes long nose

blue eyes stubby nose

purple eyes long nose

purple eyes stubby nose

Question 29

29.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have blue eyes with a stubby nose?

9/16

3/16

4/16

1/16

Question 30

30.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be purple eyes with a stubby nose?

9/16

3/16

4/16

1/16

Question 31

31.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a long nose?

9/16

3/16

4/16

1/16

Question 32

32.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a stubby nose?

9/16

3/16

4/16

1/16

Question 33

33.

Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have purple eyes?

8/16

10/16

4/16

3/16

Question 37

37.

If a snail with heterozgyous for white shell and a snail with a black shell are crossed. What percent of the offspring will have a white shell?

100%

75%

50%

25%

Question 39

39.

What is the phenotypic ratio of a cross between two heterozygous pink skin snail?

2:2

4:0

3:1

Question 40

40.

What is the phenotype of a fruit that is RrFf?

red and round

red and pear shaped

yellow and round

yellow and pear shaped

Question 41

41.

Considering only fruit color, how many of the offspring will be red?

16/16

12/16

9/16

3/16

Question 42

42.

Considering only shape color, how many of the offspring will be round?

16/16

12/16

9/16

3/16

Question 43

43.

How many of the offspring will be yellow and round?

16/16

12/16

9/16

3/16

1/16

Question 44

44.

How many of the offspring will be yellow and pear shaped?

16/16

12/16

9/16

3/16

1/16

Question 45

45.

L= long stem, l= short stem
Y= yellow seed, y= green seed

Look at the dihybrid cross what is the phenotype of LlYy?

short stem and green seeds

long stem and green seeds

short stem and yellow seeds

long stem and yellow seeds

Question 46

46.

L= long stem, l= short stem
Y= yellow seed, y= green seed

Look at the dihybrid cross what is the phenotype of LlYY?

short stem and green seeds

long stem and green seeds

short stem and yellow seeds

long stem and yellow seeds

Question 47

47.

L= long stem, l= short stem
Y= yellow seed, y= green seed

How many of the offspring will be short stemed with yellow seeds?

16/16

9/16

3/16

1/16

0/16

Question 48

48.

L= long stem, l= short stem
Y= yellow seed, y= green seed
How many of the offspring will be long stemed with yellow seeds?

16/16

9/16

3/16

1/16

0/16