Exploring Heredity Concepts in AP Biology

Which of the following is NOT classified as a domain of life?

• Archaea

• Bacteria

• Eukarya

• Protozoa

Which process during meiosis contributes to genetic diversity by exchanging DNA between chromatids?

• DNA replication

• Cytokinesis

• Crossing over

• Independent assortment

What is the primary purpose of meiosis in sexual reproduction?

• To repair damaged cells

• To create identical diploid cells

• To produce gametes

• To encourage asexual reproduction

According to Mendel's Law of Independent Assortment, how do genes on different chromosomes assort?

• They always assort together

• They assort dependently

• They prevent crossing over

• They do not influence each other's assortment

What phenotype will appear in F1 generation when crossing two heterozygous purple flowers if purple is dominant over white?

• 3 purple : 1 white

• All purple

• 1 purple : 3 white

• All white

Which of the following is an example of codominance?

• Green pea color

• Tall plant height

• Purple flower color

• AB blood type

What is the significance of the SRY gene found on the Y chromosome?

• It triggers male development

• It codes for hemoglobin

• It determines female sexual characteristics

• It causes color blindness

Which environmental factor can influence the sex determination in reptiles?

• Light intensity

• Temperature

• Altitude

• Humidity

Which genetic disorder is characterized by having three copies of chromosome 21?

• Huntington's Disease

• Turner Syndrome

• Klinefelter Syndrome

• Down Syndrome

In a pedigree chart, what does a shaded circle represent?

• An unaffected female

• A male carrier of a trait

• A non-human subject

• An affected female