BIO 160 EXAM 4 QUESTIONS AND VERIFIED
ANSWER; 100% CORRECT; 2026 UPDATE
_____ are illustrations that show chromosome arm and major
regions - correct answer- Ideograms
_____ syndrome can only result from non-disjunction in the
male and female. - correct answer- XXYY syndrome
A cell that has three copies of every chromosome is - correct
answer- triploid
A chromosome consists of - correct answer- mostly DNA and
proteins with a small amount of RNA
A chromosome that results when the centromere splits in the
wrong plane during meiosis, forming identical arms, is a(n) -
correct answer- isochromosome
A chromosome with two arms of about equal length is called -
correct answer- metacentric
, A chromsomal inversion that does not include the centromere is
- correct answer- paracentric
A common source of DNA for forensic testing is - correct
answer- cells scraped from inside the cheek
A karyotype that uses FISH that shows two chromosomes, each
with two colors, but in the opposite patterns, most likely
indicates a - correct answer- reciprocal translocation
A karyotype with an extra set of chromosomes indicates -
correct answer- polyploidy
A man with trisomy 21 could pass Down syndrome to offspring if
he - correct answer- produces sperm that have two copies
of chromosome 21
A person who is 46, XX is a - correct answer- chromosomally
normal female
A series of markers have the following frequencies. Which would
be the most useful for DNA profiling? - correct answer-
1/5200
ANSWER; 100% CORRECT; 2026 UPDATE
_____ are illustrations that show chromosome arm and major
regions - correct answer- Ideograms
_____ syndrome can only result from non-disjunction in the
male and female. - correct answer- XXYY syndrome
A cell that has three copies of every chromosome is - correct
answer- triploid
A chromosome consists of - correct answer- mostly DNA and
proteins with a small amount of RNA
A chromosome that results when the centromere splits in the
wrong plane during meiosis, forming identical arms, is a(n) -
correct answer- isochromosome
A chromosome with two arms of about equal length is called -
correct answer- metacentric
, A chromsomal inversion that does not include the centromere is
- correct answer- paracentric
A common source of DNA for forensic testing is - correct
answer- cells scraped from inside the cheek
A karyotype that uses FISH that shows two chromosomes, each
with two colors, but in the opposite patterns, most likely
indicates a - correct answer- reciprocal translocation
A karyotype with an extra set of chromosomes indicates -
correct answer- polyploidy
A man with trisomy 21 could pass Down syndrome to offspring if
he - correct answer- produces sperm that have two copies
of chromosome 21
A person who is 46, XX is a - correct answer- chromosomally
normal female
A series of markers have the following frequencies. Which would
be the most useful for DNA profiling? - correct answer-
1/5200
