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Exam 2: Biological Beginnings

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Question 71

Multiple Choice

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Paul Baltes says that natural selection among humans operates mainly during the _____ of life.

A) second half
B) last years
C) first half
D) first year

E) A) and C)
F) C) and D)

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Question 72

Multiple Choice

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Except for the sperm and the egg,all cells in the human body have _____ chromosomes.

A) 10
B) 32
C) 23
D) 46

E) A) and B)
F) All of the above

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Question 73

Essay

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Identify and describe the two common studies used by behavior geneticists to investigate the influence of heredity on behavior.

Name a prenatal medical procedure in which a sample of amniotic fluid is withdrawn by a syringe and tested for chromosomal or metabolic disorders.

Combining the genes of two parents in offspring increases _____ in the population,which is valuable for a species because it provides more characteristics for natural selection to operate on.

Early interest in the XYY syndrome focused on the belief that the extra Y chromosome found in some males contributed to _____.However,subsequent research has proved this to be _____.

Deshawn believes that development is the result of an ongoing,bidirectional interchange between heredity and the environment.He has most likely adopted which theoretical perspective?

Leila and Alexander are siblings.Every Saturday morning,Leila and her grandmother cook breakfast together and then do some errands and shopping together.During that time,Alexander and his grandfather spend some quality "male bonding" time.They like to play miniature golf or do yard work.The interactions that each child has with the grandparent would be known as what type of environmental experience?

According to evolutionary developmental psychologists,many evolved psychological mechanisms are _____.That is,the mechanisms apply only to a specific aspect of a person's makeup.

Adam was diagnosed with cardiovascular disease,he participated in a research study in which his DNA as well as the DNA of others with cardiovascular disease was compared to the DNA of those who don't have the disease,in order to pinpoint the region in the human genome connected to the disease.This type of study method is referred to as:

Red-feathered and blue-feathered birds occupy the same environment.The birds with the red feathers are better able to survive and avoid predators.This means that the population of red-feathered birds should increase in future generations.This illustrates the process of:

Name the theorist who published On the Origin of Species,in 1859,that outlined his/her theory of natural selection.

Assume that in the case study of the Jim and Jim twins,it was found that their similar development trajectories were a result of similar temperament and interests which caused them to seek out similar environments,which were compatible and stimulating to them.Which heredity-environment correlation is reflected in this scenario?

Human embryos must possess _____ to be viable.

Which of the following is true of mitosis?

Victor has an X-linked inheritance disease.Which of the following conditions is Victor most likely to have?

Define shared and nonshared environmental experience.Provide an example of each and point out how that example exemplifies the concept?

Which of the following is a gene-linked abnormality?

For each genotype,a range of _____ can be expressed,thus providing a source of variability.

Evolution takes place: