North Carolina State University at Raleigh GN 301 HW 5-7 | Questions with 100% Verified Answers | Latest Update

North Carolina State University at Raleigh GN 301 HW 5-7
| Questions with 100% Verified Answers | Latest Update
Question:
A defect that is present at birth is called a

Answer:
Congenital Defect


Question:
An agent that causes a change in the DNA sequence is called a ____.

Answer:
Mutagen


Question:
A mutation in which one base pair is substituted for another base pair without increasing or
decreasing the length of the DNA is called a ___ mutation.

Answer:
point


Question:
Approximately ____ % of miscarried fetuses have a chromosome disorder.

Answer:
50


Question:
Exposure to radiation is measured in units called _____. These units are abbreviated with as "Sv".

Answer:
Sieverts


Question:
In a one year period, the average person in the USA receives a radiation dose of approximately

Answer:
6.2 mSv


Question:
A test called the ____ Test mixes a chemical, liver extract, and bacteria to determine if the chemical
causes mutations.

Answer:
Ames

, Question:
A ___ condition exists when the individual has a chromosome number that is not an exact multiple
of the haploid chromosome number for that species.

Answer:
Aneuploid


Question:
One chromosome has the normal gene sequence and the other has an aberration. Determine what
type of aberration is present. Assume that the genes are indicated by letters and that the
centromere is indicated by a period. A E . G H M T B and A E . G H B

Answer:
Deletion


Question:
Responsible for Turner Syndrome

Answer:
monosomic


Question:
Responsible for Familial Down Syndrome

Answer:
Robertsonian translocation


Question:
Responsible for Cri du Chat

Answer:
deletion


Question:
Responsible for Charcot Marie Tooth Disease

Answer:
DUPLICATION


Question:
Responsible for Burkitt's Lymphoma

Answer:
reciprocal translocation