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Complex Traits

Author(s): Nancy Moreno, PhD.

Breeding for a Beautiful Merle Coat

Procedure (cont.)

3. Explain to students that the allele for producing desirable merle color markings is a version of a gene important for development of several systems during growth of the embryo. One copy of the merle allele leads to the observable color pattern, but few negative effects. Two copies, however, cause a variety of health problems, including vision and hearing problems.


Funded by the following grant(s)

Science Education Partnership Award, NIH

Gene U: Inquiry-based Genomics Learning Experiences for Teachers and Students
Grant Number: 5R25OD011134


Robert Wood Johnson Foundation

Using Learning Technology to Build Human Capital
Grant Number: 57363