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Stack #40647
Question | Answer |
---|---|
mitosis | the process by wich a cell produces 2 new newcli |
cell division | the dividing of a cell following mitosis |
asexual reproduction | reproduction by 1 parent |
sexual reproduction | reproduction by 2 parents |
sex cell | a type of cell produced only by an organism that reproduces sexually |
meiosis | the process by wich sex cells are formed |
fertilization | the joining of an egg cell and sperm cell during sexual reprodcution |
zygote | the first cell of an offspring formed when an egg cell and sperm cell join |
DNA | the molecule in each cell that directs the cells activities |
gene | a section of DNAon a chromosome that controls a trait |
base | one kind of moecule that makes up a DNA srand |
Heredity | the process b wich traits are passed from parents to offspring |
inherit | to recieve from ones mother or father |
dominant gene | a gene that prevents an expression of another gene |
recessive gene | a gene whose expression |
purebred | an organism with 2 dominant or ressive genesfor at rait |
hybred | an organism with 1 dominant gene and 1dominant gene for a trait |
mutation | a permanent change in DNA that occars when DNa coppies itself |
mitosis | the process by wich a cell produces 2 new newcli |
cell division | the dividing of a cell following mitosis |
asexual reproduction | reproduction by 1 parent |
sexual reproduction | reproduction by 2 parents |
sex cell | a type of cell produced only by an organism that reproduces sexually |
meiosis | the process by wich sex cells are formed |
fertilization | the joining of an egg cell and sperm cell during sexual reprodcution |
zygote | the first cell of an offspring formed when an egg cell and sperm cell join |
DNA | the molecule in each cell that directs the cells activities |
gene | a section of DNAon a chromosome that controls a trait |