Nine Weeks Test Review 4

Which of the following correctly describes pluripotent cells?

• Cells that can become any type of cells.

• Cells that can only become one type of cell.

• Cells that can become many different types of cell but not all types of cells.

What type of cells are adult stem cells?

• pluripotent

• multipotent

• totipotent

What type of cells can embryonic cells become?

• any type of cells

• many types of cells but not all types of cells

• only one type of cell

• three different types of cells

What is an allele that is always expressed even in a mixed pair?

• Homozygous

• Recessive

• Dominant

• Heterozygous

What is the term for an organism's physical appearance?

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Which organism did Mendel use in his studies?

• fruit flies

• daffodils

• pea plants

• tomato plants

What is the specific region of DNA that codes for a particular trait?

• genotype

• gene

• phenotype

• Chromosome

What is the characteristic of having two different alleles for a trait?

• dominant

• recessive

• heterozygous

• homozygous

What is an allele that is not expressed in a mixed pair?

• Dominant

• Heterozygous

• Recessive

• Homozygous

What can totipotent cells become?

• Any type of cell

• Many different types of cell but not all types

• A new organism

• Only one type of cell