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Punnett squares. The tool which uses the combination of genes to predict the traits showing up in offspring. Green eyes are dominant and yellow eyes are recessive. The genotype of two insects are Gg and Gg. Complete a Punnett square!. g. G. GG. G. Gg. ??. g. Gg. ?? = gg.

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Presentation Transcript
slide3
Green eyes are dominant and yellow eyes are recessive. The genotype of two insects are Gg and Gg.

Complete a Punnett square!

slide4
g

G

GG

G

Gg

??

g

Gg

?? = gg

slide6
If B=black and b=brown and two wolves are hybrid Bb and purebred bb what would their young be?

Complete a Punnett square!

slide7
b

B

Bb

b

bb

bb

b

Bb

slide9
B=Brown eyes which are dominant, b=blue eyes which are recessive

What are the alleles of the parents for the following chart?

slide10
b

B

BB

B

Bb

b

bb

Bb

slide12
Curly hair is dominant, and a couple have curly hair. How many of their babies will have curly hair?
slide13
A. All of the babies B. Probably most of the babiesC. None of the babies

Answer - B

slide16
If green snake skin is dominant and yellow is recessive, what are the alleles of the parent snakes for the following:
slide17
G

G

Gg

g

Gg

g

Gg

Gg

slide18
Homozygous (GG) green

Homozygous (gg) yellow

slide20
If big ears are dominant and both parents are homozygous dominant, what percent of babies will have big ears?
slide21
E

E

EE

E

EE

EE

E

EE

slide23
Three fingers is dominant and five fingers recessive. If mom is homozygous dominant and dad is heterozygous,what percent of young will have three fingers?
slide24
F

F

FF

F

FF

Ff

f

Ff

slide26
Big noses are dominant and little noses are recessive. If Dad is homozygous dominant and mom is homozygous recessive, what percent of children will have big honkers?
slide27
N

N

Nn

n

Nn

Nn

n

Nn

slide29
Short is dominant and tall is recessive. If dad is heterozygous dominant and mom is homozygous recessive, what percent of the children will be short and tall?
slide30
s’

S

Ss’

s’

s’s’

s’s’

s’

Ss’

slide31
50% short

50% tall

slide32
Long neck is dominant and short neck is recessive. If dad is heterozygous dominant and mom is heterozygous dominant, what percent of the children will have long necks and short necks?
slide33
n

N

NN

N

Nn

nn

n

Nn

slide34
75% Long

25% Short

slide35
Short tongues are dominant and long are recessive. If mom is homozygous recessive and dad is homozygous recessive, what percent of the children will have long tongues?
slide36
t

t

tt

t

tt

tt

t

tt

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