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## PowerPoint Slideshow about ' Punnett squares' - aretha

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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!

What % of the young would have green eyes? genotype of two insects are Gg and Gg.

75%

Yellow eyes?

25%

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

Complete a Punnett square!

What % of young would be black and what % would be brown? purebred bb what would their young be?

Black = 50 %

Brown = 50 %

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

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

Curly hair is dominant, and a couple have curly hair. How many of their babies will have curly hair?

A. All of the babies B. Probably most of the babies many of their babies will have curly hair?C. None of the babies

Answer - B

What percent of your genes come from each parent? many of their babies will have curly hair?

50%

What % of genes come from each grandparent? many of their babies will have curly hair?

25%

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

Homozygous (GG) green what are the alleles of the parent snakes for the following:

Homozygous (gg) yellow

How many different Punnett squares can you think of? what are the alleles of the parent snakes for the following:

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

100% dominant, what percent of babies will have big ears?

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?

100% is homozygous dominant and dad is heterozygous,

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?

N Dad is homozygous dominant and mom is homozygous recessive, what percent of children will have big honkers?

N

Nn

n

Nn

Nn

n

Nn

100% Dad is homozygous dominant and mom is homozygous recessive, what percent of children will have big honkers?

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?

s’ heterozygous dominant and mom is homozygous recessive, what percent of the children will be short and tall?

S

Ss’

s’

s’s’

s’s’

s’

Ss’

50% short heterozygous dominant and mom is homozygous recessive, what percent of the children will be short and tall?

50% tall

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?

n is heterozygous dominant and mom is heterozygous dominant, what percent of the children will have long necks and short necks?

N

NN

N

Nn

nn

n

Nn

75% Long is heterozygous dominant and mom is heterozygous dominant, what percent of the children will have long necks and short necks?

25% Short

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?

t is homozygous recessive and dad is homozygous recessive, what percent of the children will have long tongues?

t

tt

t

tt

tt

t

tt

100% is homozygous recessive and dad is homozygous recessive, what percent of the children will have long tongues?

Thank you is homozygous recessive and dad is homozygous recessive, what percent of the children will have long tongues?

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