Name:     ID: 
 
Email: 

SG 6.1 Chromosomes & Meiosis1

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 1. 
What are the two major groups of cell types in the human body?
 A.
body cells
 B.
gametes
 C.
autosomes
 D.
germ cells
 E.
traits
 F.
somatic cells
 G.
genes
 H.
sex chromosomes
 

 2. 
Where are gametes located?
 A.
ovaries
 B.
reproductive organs
 C.
testes
 D.
all organs
 

 3. 
How many chromosomes are in a typical human body cell?
 A.
46
 B.
47
 C.
13
 D.
23
 

 4. 
Answer in number 4.
 A.
son
 B.
daughter
 C.
father
 D.
mother
 

 5. 
Answer in number 5.
 A.
father
 B.
daughter
 C.
son
 D.
mother
 

 6. 
Answer in number 6.
 A.
germ
 B.
homologous
 C.
haploid
 D.
autosomes
 E.
diploid
 F.
gametes
 

 7. 
Answer in number 7.
 A.
Y chromosome
 B.
gametes
 C.
autosomes
 D.
X chromosome
 

 8. 
Answer in number 8.
 A.
Y chromosome
 B.
autosomes
 C.
X chromosome
 D.
gametes
 

 9. 
What is the sex of a person with two X chromosomes?
 A.
male
 B.
female
 

 10. 
Which chromosomes carries the fewest number of genes?
 A.
X chromosome
 B.
autosomes
 C.
sex chromosomes
 D.
Y chromosome
 

 11. 
What happens to the nuclei of the egg and sperm during fertilization?
 A.
they reproduce
 B.
they disappear
 C.
they split from each other
 D.
they fuse together
 

 12. 
What types of cells are haploid?
 A.
sex cells
 B.
gametes
 C.
body cells
 D.
somatic cells
 

 13. 
What is the haploid chromosome number in humans?
 A.
46
 B.
47
 C.
22
 D.
23
 

 14. 
How many autosomes are present in each human gamete? How many sex chromosomes?
 A.
23;1
 B.
1; 22
 C.
22; 1
 D.
1; 23
 

 15. 
Complete the following table to summarize the differences between mitosis & meiosis. Check ONLY those that apply.
 A.
makes genetically unique cells
 B.
Happens in certain times in life cycle
 C.
makes genetically identical cells
 D.
Involved in asexual reproduction
 E.
Involved in sexual reproduction
 F.
Happens throughout lifetime
 G.
Makes haploid cells
 H.
Makes diploid cells
 

 16. 
What are homologous chromosomes? Check only those that apply.
 A.
one from mother and one from father
 B.
they have the same genes, length and overall appearance
 C.
located in reproductive organs
 D.
located in all organs
 E.
a pair of chromosomes
 F.
fused two haploid cells together
 

 17. 
The word soma means “body”. How does this relate to
 A.
they are located in the reproductive organs and they are diploid
 B.
chromosomes that direct the body’s development of traits not directly related to sexual traits
 C.
they make-up the body tissues and organs and they are haploid
 D.
they look the same and carry the same genes
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 18. 
A kidney cell is an example of which type of cell?
A.
somatic cell
B.
haploid cell
C.
sex cell
D.
germ cell
 

 19. 
How many chromosomes are in a human gamete?
A.
23
B.
44
C.
46
D.
22
 

 20. 
Which of the following best describes the genetic material a person receives from his or her father?
A.
22 autosomes and an X or Y chromosome
B.
22 pairs of homologous chromosomes and an X and Y chromosome
C.
23 diploid cells and an X and Y chromosome
D.
22 haploid cells and an X or Y chromosome
 

 21. 
Which phrase best describes the process of meiosis?
A.
happens only in haploid cells
B.
results in genetically identical cells
C.
produces haploid gametes
D.
occurs in body cells
 

 22. 
At fertilization, what happens to the sex cells?
A.
Their nuclei fuse to form one nucleus.
B.
One becomes an egg, and one becomes a sperm cell.
C.
Half of the cells copy their DNA twice.
D.
They retain half of their chromosomes.
 



 
         Start Over