A human autosomal recessive trait appears in 1 in 100 births. What percent of people are homozygous dominant for this trait?

A. 0.81
B. 0.10
C. 0.18
D. 0.90
E. 0.01


Answer: A

Biology & Microbiology

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A muscle type that provides voluntary movement and is composed of long, cylindrical cells with multiple nuclei and obvious striations

A) Muscular    

G) Respiratory  

B) Reproductive  

H) Skeletal 

C) Digestive 

I) Nervous 

D) Cardiovascular 

J) Endocrine 

E) Integumentary 

K) Lymphatic 

F) Urinary 

Biology & Microbiology

Traits such as human height, blood pressure, and blood sugar can be measured along a continuum and are often called ____ traits

Fill in the blank with the appropriate word.

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Children with DiGeorge Syndrome are born without a thymus. Discuss, in detail, the repercussions to body defense mechanisms caused by this disease.

What will be an ideal response?

Biology & Microbiology

What feature of mycobacteria is responsible for the unusually slow growth of these bacteria?

A. Their low tolerance for oxygen retards their growth. B. They cannot fully metabolize carbohydrates and must rely on fermentation. C. They have limited numbers of ribosomes so protein production is slow. D. The mycolic acid in their cell walls requires signification metabolic investment. E. They lack a cell wall and are extremely fragile.

Biology & Microbiology