When a person's red blood cells have neither A nor B antigens, what is the blood type of this person?

A. A

B. AB

C. B

D. O

Coltan is a mineral essential in the production of

Which pair of chromosomes can contain two very different chromosomes and still be considered normal?

Mendel's experiments showed that: Plant characteristics are inherited. Pea plants are different from other plants. Plants cannot be crossed with different plants. Plant color is always a dominant trait.

What happens to chromosomes after fertilization?

What is the difference between an eukaryote cell and a prokaryote cell?

Tenho uma dúvida sobre uma coisa, por favor me expliquem para onde vai a água da chuva que cai sobre a areia, já que dificilmente vemos se formarem poças e por que vão pra esse lugar?

Beginning with newly-formed igneous rock describe the processes and paths that could move the material through the rock cycle until it again forms newly cooled igneous rock

5. What are common uses of epidemiology?

A vitamin d deficiency in childhood may result in which disease characterized by inadequate mineralization of the skeleton? a vitamin d deficiency in childhood may result in which disease characterized by inadequate mineralization of the skeleton?

What happens to monomers when they undergo dehydration synthesis? They form long chain-like molecules. They become dry and powder-like. They combine with water molecules. They break up into smaller molecules.