4. The hypothesis of blended inheritance (see slides from 8/24/22) states that an offspring's traits are an intermediate form between the two parents' traits. The incomplete dominance pattern of inheritance seems to support this idea at first glance. However, when you investigate this further you can see that it actually does support the discrete trait hypothesis. Explain why this is. Hint: set up several crosses of a trait showing incomplete dominance, and look for examples where the phenotype of the offspring is NOT a blend of the two parents.
4. The hypothesis of blended inheritance (see slides from 8/24/22) states that an offspring's traits are an intermediate form between the two parents' traits. The incomplete dominance pattern of inheritance seems to support this idea at first glance. However, when you investigate this further you can see that it actually does support the discrete trait hypothesis. Explain why this is. Hint: set up several crosses of a trait showing incomplete dominance, and look for examples where the phenotype of the offspring is NOT a blend of the two parents.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Incomplete dominance:
- The type of genetic interaction where the offspring is not similar to the parental ones completely instead is an intermediate for each allele from the parent is called incomplete dominance.
- The genotypic ratio remains unchanged here.
- But the phenotypic ratio also comes out to be like the genetic ratio which is 1:2:1.
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