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.
Definition of whirlwind for English Language Learners. : a very strong wind that moves in a spinning or swirling motion and that can damage buildings, trees, etc. : something that involves many quickly changing events, feelings, etc. whirlwind. Definition of whirlwind for English Language Learners. : 1  a very strong wind that moves in a spinning or swirling motion and that can damage buildings, trees, etc. : 2  something that involves many quickly changing events, feelings, etc.