An autosomal recessive disorder:

A) will appear only in children of parents who both carry the gene.
B) is more frequent in males than females.
C) is dominant in females.
D) displays its symptoms only in heterozygotes.
E) requires that only one parent be a carrier.


Answer: A

Biology & Microbiology

You might also like to view...

What is another term for allergy?  

A.  autoimmunity B.  antibodies C.  hypersensitivity D.  antigen shifting E.  asthma

Biology & Microbiology

A goiter is caused by a deficiency in

a. thyroxine. b. triiodothyronine. c. calcium. d. iodine. e. both thyroxine and triiodothyronine

Biology & Microbiology

Calcitonin is produced in the ___ and is

important for the uptake of ___ by bones.

a. anterior pituitary---calcium b. posterior --- phosphorus c. posterior---calcium d. hypothalamus---calcium e. hypothalamus---phosphorus

Biology & Microbiology

The rate of aggressive interactions among individuals increases as population density increases

Indicate whether the statement is true or false

Biology & Microbiology