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Name: ___________________________________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES ES EC 1. Cross a starred eyed male with a circular eye female. Fill in the punnett square. EC 2. What is the phenotype ratio of the offspring? __________________________________________________________________________________________ _______ 3. What is the genotype ratio of the offspring? __________________________________________________________________________________________ _______ Turn over!!! Problem on the back Name: ___________________________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES ES EC 1. Cross a starred eyed male with a circular eye female. Fill in the punnett square. EC 2. What is the phenotype ratio of the offspring? __________________________________________________________________________________________ _______ 3. What is the genotype ratio of the offspring? __________________________________________________________________________________________ _______ Turn over!!! Problem on the back In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a short tail cat and a cat with no tail. 4. What is the genotype ratio for the offspring? __________________________________________________________ TL _______________ Tl Tl 5. What is the phenotype ratio of the offspring? __________________________________________________________ _________________ Tl In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a short tail cat and a cat with no tail. 4. What is the genotype ratio for the offspring? __________________________________________________________ TL _______________ Tl Tl 5. What is the phenotype ratio of the offspring? __________________________________________________________ _________________ Tl Name: ________________________________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES 1. Cross a circle-star eyed, and a circle eyed. Fill in the punnett square. EC 2. How many of the offspring are circle-eyed? EC EC ______________________________________________________________ ___________ 3. What is the genotype ratio of the offspring? _________________________________________________________________________ Turn over!!! Problem on the back Name: ________________________________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES 1. Cross a circle-star eyed, and a circle eyed. Fill in the punnett square. EC 2. How many of the offspring are circle-eyed? EC EC ______________________________________________________________ ___________ 3. What is the genotype ratio of the offspring? _________________________________________________________________________ Turn over!!! Problem on the back In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a long tail cat and a short tail cat 4. What is the genotype ratio for the offspring? __________________________________________________________ TL _______________ 5. What is the phenotype ratio of offspring? TL __________________________________________________________ _________________ Tl TL In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a long tail cat and a short tail cat TL 4. What is the genotype ratio for the offspring? ___________________________________________________________ TL TL ______________ Tl 5. What is the phenotype ratio of offspring? ___________________________________________________________ ________________ Name: ____________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES 1. Cross two circle-star eyed. Fill in the punnett square. ES 2. How many of the offspring are circle-eyed? ____________ EC 3. What is the phenotype ratio of the offspring? _________________________________________________________________________ Turn over!!! Problem on the back EC Name: ____________________________ In Smileys, eye shape can be starred (ESES), circular (ECEC), or a circle with a star (ESEC). ES 1. Cross two circle-star eyed. Fill in the punnett square. ES 2. How many of the offspring are circle-eyed? ____________ EC 3. What is the phenotype ratio of the offspring? _________________________________________________________________________ Turn over!!! Problem on the back EC In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a long tail cat and a cat with no tail 4. What is the genotype ratio of the offspring? __________________________________________________________ _______________ TL TL 5. What is the phenotype ratio of the offspring? __________________________________________________________ Tl _______________ Tl In some cats the gene for tail length shows incomplete dominance. Cats with long tails (TLTL) and cats with no tails (TlTl) are homozygous for their respective alleles. Cats with one long tail allele and one no tail allele have short tails. Cross a long tail cat and a cat with no tail 4. What is the genotype ratio of the offspring? __________________________________________________________ _______________ TL 5. What is the phenotype ratio of the offspring? __________________________________________________________ Tl _______________ Tl TL
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