The dominant allele is expressed and the recessive allele is masked. This is an example of complete dominance. In heterozygous relationships where neither allele is dominant but both are completely expressed, the alleles are considered to be co-dominant. Co-dominance is exemplified in AB blood type inheritance.
swale (plural swales) 1  A low tract of moist or marshy land. 2  A long narrow and shallow trough between ridges on a beach, running parallel to the coastline. 3  A shallow troughlike depression that's created to carry water during rainstorms or snow melts; a drainage ditch.
hackle. 1  Any of the long, slender, often glossy feathers on the neck of a bird, especially a male fowl. 2  hackles The erectile hairs along the back of the neck of an animal, especially of a dog. 3  A feather, usually from the neck of a chicken, used in trimming a fishing fly.