Biology Homework, 1/28/02

NameJ ________________

ClassJ ________________

TeacherJ ________________

Read Section 10-2 in your book pages 275 (starting with Meiosis provides genetic variation) to page 279, and answer the following questions:

1) How is meiosis like shuffling a deck of cards?

2) How many pairs of chromosomes do pea plants have? How can one determine how many different ways can chromosomes can line up at the cell’s equator?

3) Referring to question #2, how many different ways can chromosomes “reshuffle” in a human?

4) What is genetic recombination?

5) How does meiosis explain Mendel’s results?

6) Define the following:

a) Tetrads-

b) Chiasmata-

c) Mapping-

d) Allele-

e) Crossing-over

7) What are some common mistakes in meiosis?

8) What is the difference between triploidy and trisomy?

***Your test will be on Friday, February 1^st, 2002, your study guide will be due on that day.