In general, offspring of bam swallows have tail lengths very similar to their parents. However, if the offspring are removed from their nests while young and transplanted to nests that have parents of significantly different tail lengths, these birds tend to grow tail lengths similar to their "foster" parent types. What explains this result? 1.Tail length in barn swallows appears to be influenced by both genes and the environment. 2.Tail length in barn swallows follows a genetic pattern of incomplete dominance. 3.Tail length is a phenotypic trait that follows patterns of Mendelian inheritance. 4.Tail length is not influenced by genotype in barn swallows.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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In general, offspring of bam swallows have tail lengths very similar to their parents. However, if the offspring are removed from their nests while young and transplanted to nests that have parents of
significantly different tail lengths, these birds tend to grow tail lengths similar to their "foster" parent types.
What explains this result?

1.Tail length in barn swallows appears to be influenced by both genes and the environment.
2.Tail length in barn swallows follows a genetic pattern of incomplete dominance.
3.Tail length is a phenotypic trait that follows patterns of Mendelian inheritance.
4.Tail length is not influenced by genotype in barn swallows.

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