Amother carries one allele of a recessive gene for a disease on an autosome, and the father carries no recessive
alleles of the gene for that disease. what is the likelihood of their child having the disease?
0%
100%
75%
50%

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.