Download Points /40 Grade Science 7 Quiz: Chapter 4

Points
/40
Grade
Science 7 Quiz: Chapter 4- Modern Genetics
Name
I.
Period
Match each word with its definition
Date
(1 point EACH)
Write the letter of the correct answer on the line to the left.
II.
1. Sex-linked gene
A.
A person with one dominant and one recessive
allele for a trait
2. Carrier
B. Crossing two genetically different individuals
3. Amniocentesis
C. Crossing two individuals with similar alleles
4. Inbreeding
D.
5. Hybridization
E. A long needle is used to remove fluid that
surrounds the baby
Alleles passed from parent to offspring on
X or Y chromosome
Match each disorder with its problem/defect
(2 points EACH)
Write the letter of the correct answer on the line to the left.
6. Cystic Fibrosis
A. Cannot carry enough oxygen in blood cell due
to
abnormal Hemoglobin.
7. Sickle Cell Disease
B. Failure during Meiosis to separate Chromosome
8. Hemophilia
C. Mucus fills up in the lungs.
21
9. Down Syndrome
III.
Completion
D. Sex-linked trait. Failure to blood c lot.
(2 points EACH)
Fill in the line to complete each statement.
10. “Dolly” is an example of
11.
.
is responsible for producing plants that can last
longer and taste better.
12. Purebred dogs like a German Shepherd are an example of
.
13. The
the DNA sequence of every gene in the human genome.
IV.
is trying to identify
True or False (1 point EACH)
Write down true if the statement is true, and false if the statement is false.
14. A widow’s peak is a human trait that is controlled by a single gene.
15. A person who inherits 2 X chromosomes will be a male.
16. A Karyotype is a chart that shows the relationship between generations.
17. Hybridization is the crossing of two genetically similar organisms.
18. A clone is an organism that is genetically identical to another organism.
V.
Using Science Skills (1 points EACH)
Use the pedigree below to answer questions #19-25
= 19.
= 20.
= 21.
= 22.
23. What kind of trait is this disorder?
24. In generation II which child/children is/are a carrier? BE SPECIFIC (ie. Child 1, 2, etc)
.
Using Science Skills (8 points TOTAL)
Use the information below to construct a pedigree.





Bob and Helen have three children (2pts)
Bob and Helen have one son who has albinism (2 pts)
Bob and Helen have two daughters who do not have albinism (2 pts)
Neither Bob nor Helen has albinism (2 pts)
Albinism is neither sex-linked nor codominant