BIOWEB
nverdae@nvcc.edu
Emma Erdahl, Associate Professor of Biology
Northern Virginia Community College
Revised 8/23/00
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17. Assume enough crosses were made between flies
of the types Dd and Dd to yield 1000
offspring. Of the
following, the most likely distribution of genotypes in the offspring would be When two parents are both heterozygous for a trait are crossed, one expects a 1 : 2 : 1 genotypic ratio. Answer (c) is the only answer that approaches that theoretical ratio. |
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