Genetics Remediation

If the pattern of inheritance for a trait is complete dominance, then an organism heterozygous for the trait would normally express

• the dominant trait, only.

• more of the recessive than dominant traits.

• the recessive trait, only.

• more of the dominant than recessive traits.

Which statement could be accurately made about the offspring of this cross?

• There is a 100% chance of having round, green peas.

• There is no chance of having any wrinkled, green peas.

• There is a 50% chance of having round, yellow peas.

• There is no chance of having any round, yellow peas.

Jane's mother and father have type B blood. When Jane's blood was tested, she found she had a blood-type of O. What does this suggest of Jane's parents?

• Both have a recessive gene for type O blood.

• Both are homozygous for type B blood.

• One of them has a recessive gene for type O blood.

• One of them is homozygous for type B blood.

Which of the following could be used to describe the end result of meiosis? Select 3.

• genetically identical cells

• genetically unique cells

• haploid cells

• diploid cells

• four daughter cells are produced

The chromosomes that pair up during meiosis, are called __________ chromosomes. 

• parental

• analog

• homologous

• genes

If Mr. and Mrs. Johnson had four children together, what color of hair would the children likely have?

• All 4 of the children would have black hair.

• Only 3 of the children would have black hair, and 1 child would have blond hair.

• All 4 of the children would have blond hair.

• Only 2 of the children would have black hair, and 2 of the children would have blond hair.

A flower shows codominance for the colors red and blue. If the plant breeder crosses a red flower with a blue flower in this case, what will the offsprings' phenotype be?

• Red

• Blue

• Red and blue speckled

• purple