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in certain species of roses, white roses and red roses are incompletely dominant to each other. when a red rose and a white rose are crossed, a pink rose is produced. what is the probability of producing a white rose when a red rose is crossed with a pink rose

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JcAlmighty

The answer is 0%.

If white and red roses are incompletely dominant, the phenotypes are as following:
AA - red roses
AB - pink roses
BB - white roses

So, a cross between a red (AA) and a pink rose (AB) will result in only red or pink roses:
Parents:            AA     x      AB
Offspring:      AA    AA    AB     AB

Answer:

o%

Explanation:

If white and red roses are incompletely dominant, the phenotypes are as following:

AA - red roses

AB - pink roses

BB - white roses


So, a cross between a red (AA) and a pink rose (AB) will result in only red or pink roses:

Parents:            AA     x      AB

Offspring:      AA    AA    AB     AB

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