Chapter 4 Cell Reproduction Vocabulary words

Question 1

asexual reproduction

Answer 1

a new organism (sometimes more than one) is produced from one organism.

Question 2

chromosome

Answer 2

a chromosome is a structure in the nucleus that contains hereditary material.

Question 3

diploid

Answer 3

When cells have pairs of similar chromosomes they are said to be diploids.

Question 4

DNA

Answer 4

It contains information for an organism’s growth and function.

Question 5

Eggs

Answer 5

Eggs are formed in the female reproductive organs.

Question 6

fertilization

Answer 6

The joining of an egg and a sperm is called fertilization

Question 7

gene

Answer 7

a gene is a section of DNA on a chromosome

Question 8

haploids

Answer 8

sex cells do not have pair of chromosomes, they are said to be haploids

Question 9

meiosis

Answer 9

A process called meiosis produces haploid sex cells.

Question 10

mitosis

Answer 10

The process in which the nucleus divides to form two identical nuclei is mitosis.

Question 11

mutation

Answer 11

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

Question 12

RNA

Answer 12

RNA is the codes for making proteins are carried from the nucleus to the ribosomes by another type of nucleic acid called ribonucleic acid.

Question 13

sexual reproduction

Answer 13

a new organism can be produced is by sexual reproduction.

Question 14

Sperm

Answer 14

Sperm are formed in the male reproductive organs.

Question 15

zygote

Answer 15

the cell that forms is called a zygote

Question 16

Parent Cell

Answer 16

the original cell.

Question 17

Daughter cell

Answer 17

2 New cells are created after the cell division process.

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

Programmed cell death that follows a sequence of controlled step that lead to self-destruction.

Question 20

Spindle Fibers

Answer 20

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

Question 21

Centrioles

Answer 21

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