Scientists have known for centuries that we "speak" with the left hemisphere of the brain. You perform an experiment in which your subject was presented with an apple only to the left visual field
When asked to identify what he saw, the subject denied seeing anything. However, when asked to point to the correct object, he was able to see and identify the apple. Which reason would explain this deficit? A) The subject has a brain lesion in the frontal lobes.
B) The subject suffered head trauma to the back of his head.
C) The subject has a tumor in the left parietal lobe.
D) The subject had his corpus callosum severed to control epileptic seizures.
D
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Answer the following statements true (T) or false (F)
1. The law of independent assortment states that the two alleles of the same gene will segregate from each other during gamete formation. 2. Offspring receive both the alleles for a given trait from one parent. 3. A locus encodes different genes in different individuals of the same species. 4. The sex of all animals is determined by chromosomes. 5. If you were to examine a typical population at a single locus, you would find more copies of the wild-type allele than any other allele.
Which of the following mammalian lineages contains organisms that lay eggs?
a. Strepsirhini b. monotremes c. Rodentia d. Haplorhini e. marsupials
Which statement about fruit fly development is false?
A) One of the earliest development events is the determination of the head and tail ends of the egg. B) The location of the head and tail ends of the egg is primarily determined by the location of sperm entry during fertilization. C) Homeotic genes regulate batteries of other genes that direct the anatomical identity of body parts. D) Cascades of gene expression routinely direct fruit fly development.
The least common type of polio is
A) nonparalytic polio. B) an asymptomatic infection. C) minor polio. D) paralytic polio. E) postpolio syndrome.