Exam 3: Genes, Environment, and Development

Which statement concerning heritability is true?

Who is LEAST likely to have a chromosomal abnormality?

Of the two sex chromosomes, the _____ chromosome carries the fewest genes.

In addition to the sex chromosomes, a typical human being has _____ pairs of autosomal chromosomes.

Michael is color blind. Whose genes caused this to happen?

Oswald hears his doctor say that he plans to treat Oswald's cystic fibrosis using an aerosol spray to deliver normal genes to the lungs. This treatment is best categorized as

Plomin bred animals with high learning ability to other animals with high learning ability and animals with low learning ability to other animals with low learning ability. Those from high learning ability lines continued to show high learning ability while those from low learning lines continued to show low learning ability. In Plomin's work, learning ability

Gene expression is affected by

The process of meiosis results in the development of cells that have half the number of cells as the original one.

Which statement concerning schizophrenia is FALSE?

Howdy has inherited a recessive gene that causes freckles and a dominant gene that prevents freckle formation. Despite this fact, Howdy's genetic makeup results in him having a few freckles. Howdy's freckles are best explained by the process of _____ dominance.

Researchers have been able to create rats that learn quickly using the process of selective _____.

Sickle-cell disease likely arose as a mutation that was passed along because it protected individuals from

According to data generated by the Human Genome Project, all humans share about _____ out of 1,000 DNA bases.

If one parent has the dominant gene for Huntington's disease, the odds of one of their children having the disease are one out of

_____ gene-interactions become increasingly important as we age.

When looking at Fluffy the cat's family tree, Kitka notices that over several generations, owners have deliberately cultivated the characteristic of extremely black fur. This appears to have been accomplished by careful mating combinations in a process called

Margo and John are told that their infant daughter has been diagnosed with Turner syndrome. Which of the following should they expect?

Which is the most genetically complex structure?