Download Chromosomes Notes Review

Name
Date
Chromosomes Notes Review
Period
1.
What is a chromosome?
2.
Why is genetic information bundled into chromosomes?
3.
What is a gene?
4.
How many genes can be found on a chromosome?
5.
How many chromosomes do humans have?
6.
How many chromosomes come from a human mother and how many come from the father?
7.
What does “homologous chromosomes” mean?
8.
What do the sex chromosomes do?
9.
What are the autosomes?
10. How many pairs of autosomes do humans have?
11. How is the Y chromosome different from the X chromosomes?
12. What sex chromosomes do females have?
13. What sex chromosomes do males have?
14. What do ALL egg cells carry?
15. How many sperm cells carry an X chromosome?
16. How many sperm cells carry a Y chromosome?
Match the phrase to the correct word.
17. A bundle of genetic material and proteins
18. Two chromosomes that have the same genes at the same locations
19. All of the chromosomes that have nothing that makes you a boy or girl
20. The sex chromosome that is found in ALL eggs.
a)
b)
c)
d)
e)
f)
Homologous chromosomes
Y chromosome
X chromosome
Autosomes
Gene
Chromosome
21. A section of DNA that provides information for a particular protein
22. The sex chromosomes that are only found in males
For the following questions, determine which term below correctly matches. Some answers may have more than one answer.
Autosomes
Sex Chromosome
23. Determines the gender of the person.
24. Chromosomes numbered from 1-22
25. The X chromosome
26. Has genes on them.
27. the Y chromosome
For the following phrases, determine if the statement is true or false. If false, change the underlined word to make it true.
_____________________28. A normal human received 46 chromosomes from the egg.
_____________________29. The Sex Chromosomes are numbered from 1-22
_____________________30. There are usually a hundred genes on a chromosome
_____________________31. Genes are bundles of DNA and proteins that form when a cell is going to divide
_____________________32. The X and the Y are homologous chromosomes.
_____________________33. A normal male receives a X chromosome in the sperm
_____________________34. The Autosomes determine if the zygote will be a male or female