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Bikini Bottom Genetics
Grade 7; GLEs 17, 19, 20, 21
Based on a lesson created by T. Trimpe http://sciencespot.net
Use the information for SpongeBob’s traits to indicate the phenotype (physical appearance) for
each item. Trait Dominant Gene Recessive Gene Body Shape Squarepants (S) Roundpants (s) Body Color Yellow (Y) Blue (y) Eye Shape Round (R) Oval (r) Nose Style Long (L) Stubby (l)
Use the information for SpongeBob’s traits to indicate the phenotype (physical appearance) for
each item. Trait Dominant Gene Recessive Gene Body Shape Squarepants (S) Roundpants (s) Body Color Yellow (Y) Blue (y) Eye Shape Round R) Oval r) Nose Style Long (L) Stubby (l)
round eyes
long nose
round eyes
blue body
roundpants
round eyes
yellow body
stubby nose
Use the information for SpongeBob’s traits to indicate the genotype(s) for each trait.
Trait Dominant Gene Recessive Gene Body Shape Squarepants (S) Roundpants (s) Body Color Yellow (Y) Blue (y) Eye Shape Round (R) Oval (r) Nose Style Long (L) Stubby (l)
Yellow body =
Roundpants =
Oval eyes =
Long nose =
Stubby nose =
Round eyes =
Squarepants =
Blue Body =
Use the information for SpongeBob’s traits to indicate the genotype(s) for each trait.
Trait Dominant Gene Recessive Gene Body Shape Squarepants (S) Roundpants (s) Body Color Yellow (Y) Blue (y) Eye Shape Round R) Oval r) Nose Style Long (L) Stubby (l)
Yellow body =
Roundpants =
Oval eyes =
Long nose =
Stubby nose =
Round eyes =
Squarepants =
Blue Body =
SS & Ss
yy
Yy & YY
RR & Rr
ss
rr
LL & Ll
ll
Scientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community.
Complete each section.
For each genotype below, indicate whether it is a heterozygous OR homozygous.
Scientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community.
Complete each section.
For each genotype below, indicate whether it is a heterozygous OR homozygous.
homozygous
homozygous
homozygous
homozygous
homozygous
homozygous
homozygous
homozygous
heterozygous
heterozygous
heterozygous
heterozygous
SpongeBob loves growing flowers for his pal Sandy!
Her favorite flowers, Poofkins, are found in red, blue, and purple. Use the information provided and your
knowledge of incomplete dominance to complete each section.
Identify the correct genotype for each flower color below if R represents a red gene and B represents a blue gene.
Red = Blue = Purple =
What would happen if SpongeBob crossed a Poofkin with red flowers with a Poofkin with blue flowers? Complete the Punnett Square to determine the chances of each flower color.
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
SpongeBob loves growing flowers for his pal Sandy!
Her favorite flowers, Poofkins, are found in red, blue, and purple. Use the information provided and your
knowledge of incomplete dominance to complete each section.
Identify the correct genotype for each flower color below if R represents a red gene and B represents a blue gene.
Red = Blue = Purple =
What would happen if SpongeBob crossed a Poofkin with red flowers with a Poofkin with blue flowers? Complete the Punnett Square to determine the chances of each flower color.
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
RR BB RB
RB RB
RB RB
0
100
0
R R
B
B
What would happen if SpongeBob crossed two Poofkins with purple flowers? Complete the Punnett Square and probabilities below.
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
What would happen if SpongeBob crossed a Poofkin with purple flowers with a Poofkin with blue flowers? Complete the Punnett Square and probabilities below.
What would happen if SpongeBob crossed two Poofkins with purple flowers? Complete the Punnett Square and probabilities below.
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
1. How many of the plants would have red flowers?
2. How many of the plants would have purple flowers?
3. How many of the plants would have blue flowers?
%
%
%
What would happen if SpongeBob crossed a Poofkin with purple flowers with a Poofkin with blue flowers? Complete the Punnett Square and probabilities below.
RR RB
RB BB
25
50
25
R B
R
B
RB BB
RB BB
0
50
50
R B
B
B