Tay-Sachs is an inherited, recessive trait which involves the inability to properly break down certain lipids. A normal couple h
as a child affected with Tay-Sachs. For each of the following situations, select the most appropriate frequency from the list below. What is the probability that the mother of the Tay-Sachs child is heterozygous dominant.
Since it is a recessive trait there must be 2 of the recessive alleles for the trait to show. This means neither of the parents can be totally normal(TT).
Since both parents are considered normal the both must be heterozygous to be able to produce an child with Tay-Sachs.
antibiotic resistant is a consequence of evolution via natural selection. the antibiotic action is an environmental pressure;those bacteria which have a mutation allowing them to survive will live on to reproduce