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Spongebob Genetics

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Scientists in Bikini bottom are investigating the genetic makeup of the organisms in their community. Select all of the genotypes below that are heterozygous.

a)

TT

b)

Bb

c)

DD

d)

Ff

e)

tt

2.

Scientists in Bikini bottom are investigating the genetic makeup of the organisms in their community. Select all of the genotypes below that are homozygous dominant

a)

Dd

b)

ff

c)

BB

d)

tT

e)

TT

3.

Scientists in Bikini bottom are investigating the genetic makeup of the organisms in their community. Select all of the genotypes below that are homozygous recessive

a)

bb

b)

dd

c)

BB

d)

tT

e)

tt

4.

Scientists in Bikini bottom are investigating the genetic makeup of the organisms in their community. Select all of the genotypes below that purebred.

a)

TT

b)

Bb

c)

DD

d)

Ff

e)

tt

5.

Scientists in Bikini bottom are investigating the genetic makeup of the organisms in their community. Select all of the genotypes below that hybrid.

a)

TT

b)

Bb

c)

DD

d)

Ff

e)

tt

6.

Yellow body color (Y) is dominant to blue (y) for sponges in Bikini Bottom. What is the phenotype for the genotype YY?

(a)  

7.

Yellow body color (Y) is dominant to blue (y) for sponges in Bikini Bottom. What is the phenotype for the genotype Yy?

(a)  

8.

Yellow body color (Y) is dominant to blue (y) for sponges in Bikini Bottom. What is the phenotype for the genotype yy?

(a)  

9.

Square shape (S) is dominant to round (s) for sponges in Bikini Bottom. What is the phenotype for the genotype SS?

(a)  

10.

Square shape (S) is dominant to round (s) for sponges in Bikini Bottom. What is the phenotype for the genotype Ss?

(a)  

11.

Square shape (S) is dominant to round (s) for sponges in Bikini Bottom. What is the phenotype for the genotype ss?

(a)  

12.

For starfish in Bikini Bottom, a tall head (T) is dominant to short (t). What is/are the possible genotype(s) for the tall phenotype?

a)

TT

b)

Tt

c)

tt

d)

T

e)

t

13.

For starfish in Bikini Bottom, a tall head (T) is dominant to short (t). What is/are the possible genotype(s) for the short phenotype?

a)

TT

b)

Tt

c)

tt

d)

T

e)

t

14.

For starfish in Bikini Bottom, a pink body color (P) is dominant to yellow (p). What is/are the possible genotype(s) for the pink body phenotype?

a)

PP

b)

Pp

c)

pp

d)

P

e)

p

15.

For starfish in Bikini Bottom, a pink body color (P) is dominant to yellow (p). What is/are the possible genotype(s) for the yellow body phenotype?

a)

PP

b)

Pp

c)

pp

d)

P

e)

p