Download Reading Guide for Chapter 10

Name: _________________________________
Period: _______
Date: ________
Biology - Chapter 10.2 Reading Guide– Meiosis (pg 263)
1. How are genes and traits related? (1st paragraph of chapter)
2. How are genes and chromosomes related? (1st paragraph of chapter)
3. Using the table on page 265 answer the following questions:
a. What is the number of chromosomes in a gamete (haploid – n) cell for:
i. An apple: _________
ii. A fern: _________
iii. A fruit fly: _______
iv. A human: ________
v. A chimpanzee: _______
vi. A dog: ___________
b. What is the number of chromosomes in a body cell (diploid-2n) for:
vii. An apple: _________
viii. A fern: _________
ix. A fruit fly: _______
x. A human: ________
xi. A chimpanzee: _______
xii. A dog: ___________
4. What is the human female gamete? ______________ Is it haploid or diploid? ______________
5. What is the human male gamete? ________________ Is it haploid or diploid? _______________
6. Why does meiosis have to occur? _______________________________________________________
7. Why is it called sexual reproduction? _____________________________________________________
8. Why is crossing-over important? _________________________________________________________
9. What phase of meiosis does crossing-over occur in? ______________________________
10. How is meiosis different from mitosis (give at least 3 ways)?
a. ____________________________________________________________________________
b. ____________________________________________________________________________
c. ____________________________________________________________________________
11. How many cells do you get at the end of meiosis? ________ What about the end of mitosis? _________
12. List the phases of MITOSIS in order: ____________________________________________________
13. List the phases of MEIOSIS in order: ____________________________________________________
_____________________________________________________________________________________
Vocabulary and Key Concepts: Meiosis 10.2 (Page 263)
1.
Diploid: ________________________________________________________________
2.
Haploid: _______________________________________________________________
3.
homologous chromosome: _________________________________________________
4.
meiosis: ________________________________________________________________
5.
sperm: _________________________________________________________________
6.
egg: ___________________________________________________________________
7.
sexual reproduction: _____________________________________________________
8.
crossing over: ___________________________________________________________
9.
genetic recombination: ___________________________________________________
10.
nondisjunction: _________________________________________________________
11. Draw Figure 10.10 on page 265 below (label it as well)
12. Draw Figure 10.13 on page 269 below: Draw all the steps (A, B, and C) and label them.
Introduction to Heredity Notes:
Chromosomes and DNA:
Homologous Chromosomes:
Genes and Alleles:
Dominant Alleles
Recessive Alleles
Genotype
Homozygous genotype
Heterozygous genotype
Phenotype