Definition of Dominant Trait. Before we can define exactly what a dominant trait is, we must first define and discuss many genetics terms. A gene, or unit of heredity, can have many different versions called alleles. There are often two kinds of alleles: Dominant allele: masks the effects of another allele; designated by an uppercase letter ; Recessive allele: effects are hidden by a dominant allele; designated by a lowercase letter ; Normally, individuals have two alleles for one gene: one from their mom and one from their dad.
Sydney is mostly a girls' name, but it is used for boys 4.31 percent of the time.
Name Lists Featuring Aaron. 1  Australian Boys Names: Most Popular Names for Boys in Australia (New South Wales) 2014. 2  Australian Boys Names: Most Popular Names for Boys in Australia (Victoria) 2014. 3  New Zealand Boys Names: Most Popular Names for Boys in New Zealand 2014. 4  Belgian Boys Names: Most Popular Names for Boys in Belgium (Flanders) 2014.