Exam 1 Questions With Complete Solutions
A lack of folic acid during pregnancy can cause
Correct Answers neural tube defects
A single gene abnormality occurring on 1 or both of
any chromosome pair, (other than sex linked
choromosomes) is known as a Correct Answers
autosome dominant disorder
Altered number or structures of chromosomes
cause what type of disorder? Correct Answers
chromosome disorders
An allele is: Correct Answers one of several
possible forms of a gene
Autosome dominant are more common than auto
recessive? true or false Correct Answers true
Autosome dominant are passed equally to male
and female children? True or False Correct
Answers true
Autosome dominant, autosome recessive and X-
linked are transmitted by a Correct Answers
single-gene.
, Autosome recessive disorders affect Correct
Answers enzymes and chemical reactions in the
body
Autosome recessive disorders are less or more
common than autosome dominant disorders
Correct Answers less commom
Autosome recessive disorders occur at the _____
level Correct Answers cellular
Can an unaffected person transmit an autosome
dominant disorder? Correct Answers yes, but it is
rare.
Can using hair dye cause birth defects? Correct
Answers no, it does not cause defects.
Connective tissue and structural disorders are
usually the result Correct Answers autosome
dominant disorders.
Cytomegalovirus Correct Answers any of a group
of herpes viruses that enlarge epitheltial cells and
can cause birth defects
cytotoxic Correct Answers of or relating to
substances that are toxic to cells