Honors Dihybrid Cross
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Last updated over 1 year ago
48 questions

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When you fill in the cross, make sure you put the Bs toghether and the Rs together
When you fill in the cross, make sure you put the Bs toghether and the Rs together
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Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with round eyes (B_R_).
Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with round eyes (B_R_).
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Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with oval eyes?
Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be blue with oval eyes?
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Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with round eyes?
Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with round eyes?
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Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with oval eyes?
Blue body color (B) is dominant to purple body color (b). Round eyes (R) is dominant to oval eyes (r). How many offspring in the cross will be purple with oval eyes?
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What is the phenotypic rato?
What is the phenotypic rato?

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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of BbLl?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of BbLl?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbLl?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbLl?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of Bbll?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of Bbll?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbll?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the phenotype of bbll?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have blue eyes with a stubby nose?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have blue eyes with a stubby nose?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be purple eyes with a stubby nose?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be purple eyes with a stubby nose?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a long nose?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a long nose?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a stubby nose?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will be blue eyes with a stubby nose?
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Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have purple eyes?
Long nose (L) is dominant to stubby nose (l). Blue eyes (B) are dominant to purple eyes (b). What is the probability that the baby will have purple eyes?

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Use the chart below to identify the phenotype of a snail with the genotype WwPpbb
Use the chart below to identify the phenotype of a snail with the genotype WwPpbb
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Use the chart to determine the genotype of a snail that is recessive for shell color, heterozygous for skin color, and homozygous dominant for eyes.
Use the chart to determine the genotype of a snail that is recessive for shell color, heterozygous for skin color, and homozygous dominant for eyes.

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Draw the cross between a snail that is heterozygous for white shell and a snail with a black shell.
Draw the cross between a snail that is heterozygous for white shell and a snail with a black shell.
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If a snail with heterozgyous for white shell and a snail with a black shell are crossed. What percent of the offspring will have a white shell?
If a snail with heterozgyous for white shell and a snail with a black shell are crossed. What percent of the offspring will have a white shell?

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Draw the cross between two snails that are heterozygous for pink skin.
Draw the cross between two snails that are heterozygous for pink skin.
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What is the phenotypic ratio of a cross between two heterozygous pink skin snail?
What is the phenotypic ratio of a cross between two heterozygous pink skin snail?

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What is the phenotype of a fruit that is RrFf?
What is the phenotype of a fruit that is RrFf?
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Considering only fruit color, how many of the offspring will be red?
Considering only fruit color, how many of the offspring will be red?
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Considering only shape color, how many of the offspring will be round?
Considering only shape color, how many of the offspring will be round?
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How many of the offspring will be yellow and round?
How many of the offspring will be yellow and round?
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How many of the offspring will be yellow and pear shaped?
How many of the offspring will be yellow and pear shaped?

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L= long stem, l= short stemY= yellow seed, y= green seed
Look at the dihybrid cross what is the phenotype of LlYy?
L= long stem, l= short stem
Y= yellow seed, y= green seed
Look at the dihybrid cross what is the phenotype of LlYy?
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L= long stem, l= short stemY= yellow seed, y= green seed
Look at the dihybrid cross what is the phenotype of LlYY?
L= long stem, l= short stem
Y= yellow seed, y= green seed
Look at the dihybrid cross what is the phenotype of LlYY?
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L= long stem, l= short stemY= yellow seed, y= green seed
How many of the offspring will be short stemed with yellow seeds?
L= long stem, l= short stem
Y= yellow seed, y= green seed
How many of the offspring will be short stemed with yellow seeds?
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L= long stem, l= short stemY= yellow seed, y= green seedHow many of the offspring will be long stemed with yellow seeds?
L= long stem, l= short stem
Y= yellow seed, y= green seed
How many of the offspring will be long stemed with yellow seeds?