Bio 102 Quiz #2 Review: Rice plants may be tolerant or intolerant to flooding. A true-breeding tolerant plant was crossed with a true-breeding intolerant plant, and approximately 75% of the F1 generation was tolerant to flooding. What does this most likely suggest about the flood-tolerant and flood-intolerant alleles?

Question

Rice plants may be tolerant or intolerant to flooding. A true-breeding tolerant plant was crossed with a true-breeding intolerant plant, and approximately 75% of the F1 generation was tolerant to flooding. What does this most likely suggest about the flood-tolerant and flood-intolerant alleles?

Incredible Snipe · Accepted Answer

The allele for flood-tolerance is dominant, while the allele for flood-intolerance is recessive.

Incredible Snipe · Answer

The allele for flood-tolerance is incompletely dominant.

Incredible Snipe · Answer

Multiple alleles control flood-tolerance.

Incredible Snipe · Answer

The alleles for flood-tolerance and flood-intolerance are codominant.

Incredible Snipe · Answer

The allele for flood-intolerance is dominant, while the allele for flood-tolerance is recessive.

Bio 102 Quiz #2 Review

Rice plants may be tolerant or intolerant to flooding. A true-breeding tolerant plant was crossed with a true-breeding intolerant plant, and approximately 75% of the F1 generation was tolerant to flooding. What does this most likely suggest about the flood-tolerant and flood-intolerant alleles?

The allele for flood-tolerance is dominant, while the allele for flood-intolerance is recessive.

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