1.       A person with which of the following genetic conditions has a normal number of chromosomes?

 

A) Kleinfelter's syndrome

 

B) polydactily syndrome

 

C) Down's syndrome

 

D) Turner's syndrome

 

E) XXX

 

2.      Cystic fibrosis is an autosomal recessive trait. If both parents are heterozygous for cystic fibrosis trait, what is the probability that they will conceive a child that does not have cystic fibrosis disease?   

 

A) 0%   

 

B) 25%   

 

C) 50%   

 

D) 75%   

 

E) 100%

 

3.      An example of a chemical not filtered by nephrons in a healthy person is ______

 

A) albumin

 

B) urea

 

C) glucose

 

D) Cl^- ion

 

E) H⁺ ion

 

4.      Which of the following are the effects of testosterone?

 

A) development of male reproductive structures in an embryo

 

B) development and enlargement of male sex organs

 

C) development of male sexual characteristics

 

D) increased protein synthesis in cells

 

E) all the choices are correct

 

5.      Which part of the ovary is correctly described?

 

A) ovarian follicles contain oocytes at various stages of development

 

B) germinal epithelium gives rise to ova

 

C) the mature(Graafian) follicle produces progesterone

 

D) corpus luteum is a fluid-filled bubble ready to rupture and release secondary oocyte

 

E) the ovarian medulla is also called "corpus albicans"

 

6.       What is a non-reproductive function of estradiol?

 

A) has a major role in maintaining K⁺ and Na⁺ levels by influencing the kidney

 

B) regulates blood pH

 

C) regulates glucose level

 

D) stimulates uterine epithelium, affects sex drive and maternal behavior

 

E) keeps bone healthy by slowing down bone resorption   

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Status NEW Posted 13 May 2017 02:05 AM My Price 9.00

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