Final Exam Review Quiz

Who discovered the vaccine for small pox

• Jonas Salk

• Edward Jenner

• Alexander Fleming

• Gregor Mendel

What are the four parts of the blood?

• hemoglobin, platelets, RBCs, and WBCs

• platelets, RBCs, oxygen, and hemoglobin

• plasma, platelets, RBCs, and WBCs

• plasma, hemoglobin, RBCs, and platelets

When one allele is not completely dominant over the other it is called______________________.

• multiple alleles

• polygenic inheritance

• codominance

• incomplete dominance

Eye and skin color in humans are traits inherited through __________________.

• multiple alleles

• polygenic inheritance

• recessive genes

• incomplete dominance

A person who has two different alleles for a particular trait is said to be _________________ for that trait.

• homozygous dominant

• homozygous dominant

• heterozygous

• pure

In order for an organism to show a new trait as a result of either incomplete dominance or co-dominance, the organism's genotype must be ____________.

• homozygous dominant

• homozygous recessive

• heterozygous

• pure

The inherited combination of alleles is known as the offspring's ___________________.

• heredity

• pedigree

• phenotype

• genotype

A person with Type O blood could not be the parent of a child with Type ___________ blood.

• O

• A

• B

• AB

The fact that organisms and their offspring are not identical is known as __________________.

• adaptation

• reproduction

• inherited variation

• asexual reproduction

Competition among organisms is greatest when the organisms are _____________________.

• larger in size

• very different

• smaller in size

• very similar