Chapter 4 Vocab Cards

Question 1

asexual reproduction

Answer 1

a new organism produced from one organism

Question 2

chromosome

Answer 2

a structure in the nucleus that contains hereditary material

Question 3

diploid

Answer 3

when cells have similar chromosomes

Question 4

DNA

Answer 4

deoxyribonucleic acid

Question 5

egg

Answer 5

formed in the female reproductive organ

Question 6

fertilization

Answer 6

the joining of an egg and a sperm

Question 7

gene

Answer 7

a section of DNA on a chromosome

Question 8

haploid

Answer 8

they only have half the number of chromosomes as body cells

Question 9

meiosis

Answer 9

they produce haploid sex cells

Question 10

mitosis

Answer 10

the nucleus divides into two identical nuclei

Question 11

mutation

Answer 11

any permanent change in the DNA sequence of a gene or chromosome of a cell

Question 12

RNA

Answer 12

made in the nucleus on a DNA pattern like a latter that had its rungs cut in half

Question 13

sexual reproduction

Answer 13

two sex cells sometimes called and egg and a sperm, come together

Question 14

sperm

Answer 14

are formed in the male reproductive organs

Question 15

zygote

Answer 15

the egg and the sperm come from two different species

Question 16

parent cell

Answer 16

A cell that is the source of other cells, as a cell that divides to produce two or more daughter cells.

Question 17

daughter cell

Answer 17

Daughter cells are cells that result from the division of a single parent cell.

Question 18

cytokinesis

Answer 18

the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.

Question 19

apoptosis

Answer 19

A type of cell death in which a series of molecular steps in a cell lead to its death.

Question 20

spindle fibers

Answer 20

Spindle fibers form a protein structure that divides the genetic material in a cell.

Question 21

chromosomes

Answer 21

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Question 22

centrioles

Answer 22

a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.