A man with free earlobes marries a women with attached earlobes. Of their four children, one has free earlobes and three have attached a earlobes. What are the genotype of the parents and children?

Which element provides strength to the exoskeleton of clams and oysters

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

How to farmers could ensure that they only grow white flowers