Exam 3

Question 1

If a parent cell has 20 chromosomes and undergoes mitosis, how many chromosomes will the daughter cell have?

Answer 1

20

Question 2

What does the parent cell need to provide to each of its daughter cells?

Answer 2

DNA, cytoplasm

Question 3

When a chromosome is duplicated, what are the two parts called?Where are they joined?

Answer 3

sister chromatids, centromere

Question 4

where does mitosis occur in the human body?

Answer 4

all somatic cells

Question 5

How is DNA packaged into a cell?

Answer 5

its wound around histones and condensed using proteins

Question 6

If the diploid number of for a cell is 40, what is the haploid?

Answer 6

20

Question 7

What cells in the human body have the diploid number of the chromosomes?Which ones have haploid?

Answer 7

somatic cells; gametes

Question 8

What happens in interphase?

Answer 8

DNA replication/ cell growth

Question 9

What are the four stages of mitosis

Answer 9

Prophase, metaphase, anaphase, telophase

Question 10

What happens during cytokinesis?

Answer 10

Cell splits. In animals a contractile ring is formed, in plants a new cell wall

Question 11

What happens when cells loose their cell cycle

Answer 11

cancer

Question 12

3 differences between sexual and asexual reproduction

Answer 12

Sexual: variations in offering, meiosis, and requires fertilization
Asexual: identical offspring, mitosis, no fertilization required

Question 13

Meiosis in the human body?

Answer 13

ovaries and testies