In certain species of horses, a roan coat color (mixed red and white hairs) occurs in the heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which type type of inheritance does this example represent? Incomplete Dominance O Polygenetic inheritance O Co-Dominance Segregation

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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In certain species of horses, a roan coat color (mixed red and white hairs) occurs in the
heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which type type of
inheritance does this example represent?
O Incomplete Dominance
O Polygenetic inheritance
O Co-Dominance
O Segregation
Transcribed Image Text:In certain species of horses, a roan coat color (mixed red and white hairs) occurs in the heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which type type of inheritance does this example represent? O Incomplete Dominance O Polygenetic inheritance O Co-Dominance O Segregation
Expert Solution
Step 1
  • Codominance is a phenomenon that refers to the expression of both dominant and recessive alleles that result in a new phenotype.
  • In this situation the expression of one allele is not masked by the another one which results in the expression both alleles. 
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