Mendel's results and conclusions were accurate,but are seen differently today,because we now realize that
A) pea color is actually more complex than the human visual system can perceive. B) pea inheritance is different from human inheritance. C) single-gene traits are usually influenced by the environmental and other genes. D) he didn't count enough peas to draw conclusions. E) he didn't repeat his experiments enough times.
Marbles is a Manx cat whose tail is so short that she appears not to have one.The genotype for short tail in Manx cats is heterozygous (Mm).Cats that are genotype mm have normal length tails,but cats that are genotype MM die before birth due to very abnormal brains and spinal cords.Marbles has one copy of a recessive _____ allele.
A) pleiotropic B) penetrant C) lethal D) polymorphic E) silent