explain why there are fewer ethical issues that arise from the use of adult stem cells or cord blood stem cells than the use of embryonic stem cells (please help xx)

Four types of motile cells in human body?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring