An elderly gentleman, whose wife is his legally authorized representative (LAR) since his strokes several years ago, was recently diagnosed with lung cancer. He is eligible for a clinical trial using a new investigational drug that aims to treat lung cancer. He is able to express interest, shows a basic understanding of the nature of the trial, and gives his assent to participation. The subject's wife is out of town on a business trip. Which of the following is the most appropriate action to take for the investigator?

A. Send a copy of the informed consent via facsimile to the subject's wife. After she has had the opportunity to speak to the investigator, she can sign the informed consent and fax it back.
B. The investigator can go ahead and enroll the man without a signed consent.
C. Consult a colleague about his opinion. If the colleague agrees, enroll the man without a signed consent.
D. Exclude the man from the study.

In a hypothetical breed of dogs, coat color is controlled by two genes. there are six different coat colors in this breed: black, brown, cream, gray, silver, and tan. consider the following crosses. cross 1: black females from a lineage of all black dogs are crossed with brown males from a lineage of all brown dogs. f1 males and females are all black. when f1 are intercrossed, f2 males and females are black or brown. cross 2: black females from a lineage of all black dogs are crossed with tan males from a lineage where all males are tan and all females are cream. f1 males are black, f1 females are gray. when f1 are intercrossed, f2 males and females are black, brown, gray, or tan. cross 3: silver females from a lineage where all females are silver and all males are gray are crossed with brown males from a lineage of all brown dogs. f1 males and females are all gray. when f1 are intercrossed, f2 males are black, brown, gray, or tan, f2 females are cream, gray, silver, or tan. select the correct statements regarding the mode of inheritance of the coat color genes. a) both genes are x-linked. b) both genes are autosomal. c) one of the genes modifies the expression of the other gene. d) each gene has an additive effect on the intensity of coat color. e) each gene independently specifies three colors. f) one of the genes is autosomal, and the other is x-linked.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

All organisms contribute some water to the water cycle by conducting