chapter 4 vocabulary Flashcards
reproduction pg. 101
when a new organism is produced from one organism.
chromosome pg. 98
a structure in the nucleus that contains hereditary material.
diploid pg. 104
when cells have pairs of similar chromosomes.
DNA pg. 110
A chemical code called deoxyribonucleic
egg pg. 104
eggs are formed in the female reproductive organs
fertilization pg. 104
the joining of an egg and a sperm.
gene pg. 112
the instructions for making a specific protein are found in a gene which is a section of DNA on a chromosome.
haploid pg. 105
because sex cells do not have pairs of chromosomes, they are said to be haploid.
meiosis pg. 105
a process called meiosis produces haploid sex cells.
mitosis pg. 98
the process in which the nucleus divides to form two identical nuclei
mutation pg. 114
a permanent change in the DNA sequence of a gene or chromosome of a cell
RNA pg. 112
the codes for making proteins are carried from the nucleus to the ribosomes by another type of nucleic acid called ribonucleic.
sexual reproduction pg. 104
when an egg and sperm come together
sperm pg. 104
sperms are formed in the male reproductive organs
zygote pg. 104
the joining of an egg and sperm is called fertilization, and the cell that forms is a zygote.
