Exam 3: Genes, Environment, and Development

Which is the best example of codominance?

Provide insight into human reproduction by comparing and contrasting meiosis with mitosis, a zygote with an ovum, and the X chromosome with the Y chromosome.

Differentiate genotype from phenotype using yourself as an example.

Genes are made up of chromosomes.

A change in the structure or arrangement of one or more genes that produces a new phenotype is called a(n) _____.

Most cells of a typical male contain

Which statement is TRUE?

_____ involves conducting DNA tests on the first cells after the mitosis of a fertilized egg.

_____ disease appears to have developed as a mutation that helped protect people from malaria.

Which procedure involves the assessment of cells that have passed through the placenta?

Following mitosis, each daughter cell has _____ number of chromosomes as that of the mother cell.

Epigenetic effects alter the

Three friends have just told you they have genetic disorders. One has PKU, one has sickle cell disease, and the other has Huntington's disease. None of them knows anything about these disorders. Please explain to each how they got the disease and their general prognosis (i.e., how will the disorder affect them in the future?).

Molecular genetics is best described as the study of the

Which of the following is true of gene therapy?

Which disorder is the result of a chromosomal abnormality?

_____ syndrome is also known as trisomy 21.

Which environmental factor appears to have the greatest positive impact on the IQs of children?

An individual who has the ability to transmit a recessive trait to his children but who does not actually express the trait, is called a(n) _____.

Which disorder is associated with intellectual disability unless the affected individual adheres to a special diet?