Aman with blood type a and a woman with blood type b can have a baby with blood type o blood. true because a and b are the dominant blood types and both individuals could carry a type o allele. false, the child must have type ab blood. true because a and b are codominant. false because type a and b are dominant blood types and these individuals cannot have an offspring with the recessive blood type. true because only 1 o allele is needed.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Witch theory suggests all living things are made up of cell or cells

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?