Assume that long ear lobes in humans is an autosomal dominant trait that exhibits 50% penetrance. a person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. what is the probability their first child will have long ear lobes?

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.