Chapter 12- Cell Cycle

Question 1

Define genome

Answer 1

All the DNA containing the info to produce and maintain an organism

Question 2

Define chromosome

Answer 2

One DNA molecule and associated proteins

Question 3

Define gene

Answer 3

A discrete unit of hereditary info consisting of specific nucleotide sequences

Question 4

Define trait

Answer 4

A characteristic

Question 5

Define allele

Answer 5

Variation of a gene

Question 6

What is the mitotic phase?

Answer 6

Mitosis (division of genetic material) & cytokinesis (division of cytoplasm)

Question 7

DNA only replicates during what phase of interphase?

Answer 7

The S phase also known as the DNA synthesis phase

Question 8

What are Homologus chromosomes?

Answer 8

Chromosomes that are the same length, have their centromeres at the same position, and code for the same traits.

Question 9

What do you call cells that have pairs of chromosomes?

Answer 9

Diploid cells

Question 10

What is the purpose of mitosis?

Answer 10

1. ) to reproduce (asexually)
2. ) for growth of an organism
3. ) to repair/replace damaged cells/tissue

Question 11

What are the stages of mitosis?

Answer 11

Prophase, prometaphase, metaphase, anaphase, telophase

Question 12

What phase is the longest phase in mitosis?

Answer 12

Metaphase

Question 13

What phase is the “line them up” phase?

Answer 13

Metaphase

Question 14

What phase is the “separate” phase?

Answer 14

Anaphase

Question 15

What phase is about getting chromosomes into the nucleus?

Answer 15

Telophase

Question 16

Somatic cells are

Answer 16

Non sex cells.