Exam 2: Heredity and the Environment

Which of the following sex chromosome abnormalities leads to a child who will be infertile?

________ occurs when embryos, that had originally developed in a petri dish, are placed in the mother's uterus for further development.

Alicia and Kenny are fraternal twins. Patty and Penelope are sisters born four years apart. Which of these two pairs of siblings is most similar genetically?

Researchers have calculated the vast majority of personality heritability estimates based on self-report or parent-report questionnaires.

During __________, the sperm and egg cells join, and chromosomes from the father and mother combine.

Your middle-school-aged daughter describes a new female classmate as "different." She tells you that this classmate is quite short but has broad shoulders and a webbed neck. She also says that this classmate is clumsy in gym class and slow in geometry but okay in English. Of the following, which is most likely to be true?

Research has uncovered that about half of the parents surveyed who had utilized an artificial insemination technique said that they

The most extensively studied behavioral trait is

Which of the following statements regarding the concept of reaction range is TRUE?

Which of the following factors influences the rates of DZ twinning?

________ occurs when collected eggs and sperm are injected into the fallopian tube of the mother for fertilization and further development.

Which of the following factors influences the rates of MZ twinning?

When one of two parents is a carrier for a ______________ (e.g., cystic fibrosis), there is a 25% chance that their offspring will inherit the disease.

One of the long-term goals of the Human Genome Project is to find

Which of the following is a potential risk of discrimination based on the results of genetic testing?

Polygenic traits are traits influenced by

If a strand of nucleotide base pairs follows the sequence of C, T, G, G, A, you know that its complementary sequence on the other strand will be

In Waddington's "landscape," the shape of the landscape (e.g., the height and width of the pathways) is determined by

Cystic fibrosis is the most common example of a recessive gene disorder.

Which of the following is an example of a phenotype?