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Perform a cross of RrYy with RrYy. How many offspring will be round if round is dominant and represented by R?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
Which is true about a cross between a heterozygous tall plant and a short plant?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
Perform a cross of RRYy with RrYy. How many offspring will have the genotype RrYY?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
A true-breeding tall plant is crossed with a true-breeding short plant. What would we call the F1 generation?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
Suppose Green flowers (G) are dominant to white flowers and tallness (T) is dominant to shortness. What would be the phenotype of a flower with the genotype Ggtt
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
Perform a cross between two homozygous recessive short plants. How many of the plants are expected to be tall?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
If black fur is dominant to white, what genotype(s) would give black fur?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
Which is true about a cross between a heterozygous tall plant and a short plant?
Hybrids
12/16
50% of the plants will be tall
Green and short
about half will be tall, half will be short
BB, Bb
None of them
2
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