Two Parents Produced Two Embryos Through in Vitro Fertilization

Essay

Two parents produced two embryos through in vitro fertilization.One of these embryos was found to have a normal genotype,and the other was found to be a heterozygous carrier for cystic fibrosis.These parents chose to have both placed in the womb.Use of the carrier embryo increased their chance of having a child,and they were willing to pass on a harmful allele to satisfy their own desire to procreate.Based on your knowledge of genetic disease,what would you say about the ethics of their decision?