Friday, July 31, 2009

If all of Mendel's monohybrid crosses had involved incomplete dominance, would that have given him the same...

.......results as blending inheritance? (Assume a snap dragon flower color example.)








a. Yes; a cross between red and white flowers would yield all pink offspring.


b. It cannot be determined with the information given.


c. No; half of the offspring would be red or white.


d. Yes; there is always a wide range of phenotypes in monohybrid crosses.

If all of Mendel's monohybrid crosses had involved incomplete dominance, would that have given him the same...
A. This is true since the first study to prove incomplete dominance used the flower color of the snapdragon (Antirrhinum majus). In the study the researcher crossed a red-flowered with a white-flowered plant and all the offspring showed pink flower color. This is due to the mixing of two incompletely dominant phenotypes.
Reply:A. Good thing he used peas that independently assort and have dominate and recessive traits to assort.


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