Relating to two alleles of a gene pair in a heterozygote that are both fully expressed. When alleles for both white and red are present in a carnation, for example, the result is a pink carnation, since both alleles are partially dominant.
What is the difference between partly and partially?
Generally, the words may be used interchangeably to refer to some amount or degree that is less than the whole. For example, you can say: She is partly responsible for their fighting. / She is partially responsible for their fighting. However, partially may imply favoritism because it is related to ‘partial’ and does have the archaic sense ‘in a biased manner’. To avoid ambiguity when describing favoritism, say: He is ‘partial’ …
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.