DNA
what do genes do?
contain the information needed to specify physical and biological traits.
Where does the ovum receive the sperm?
the fallopian tubes.
How can asexual reproduction produce variation in a population?
mutation
where is mitosis?
ovarles / testies
Where do you find oogeneisis in the female reproductive system?
the ovaries.
When do cells duplicate their DNA?
During cell division
Why do human gametes only have 23 chromosomes?
Why do human gametes only have 23 chromosomes?
How can asexual reproduction produce variation in a population?
if a random mutation in the organism's DNA is passed on to the offspring.
what is mitosis?
a way of making more cells that are genetically the same as the parent cell.
How do humans reproduce in real life?
sexual intercourse between a sexually mature human male and female
Double Helix
example of sexual reproduction
the male releases sperm over the eggs after the female has laid them
what type of sexual reproduction occures in Asexual?
a new offspring is produced by a single parent
what is meiosis?
a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells
where is sperm created ?
the testes
How do cells make accurate copies of DNA?
through a process called DNA replication
how is sexual reproduction created
when the sperm from the male parent fertilizes an egg from the female parent
Give 2 advantages of asexual reproduction?
the population can increase rapidly when the conditions are favourable
only one parent is needed.
where is meiosis ?
the testes and the ovaries,
What is male sperm called?
seminal fluid
How is genetic information stored in DNA?
In a sequence , the shape of a helix
What are some problems with sexual reproduction?
production of gametes, and can include parental care
What are some examples of asexual reproduction?
starfish, planaria, and mint plants
Why do cells need cell division?
for your body to grow and for body tissue such as skin to continuously renew itself.
Can humans reproduce asexually?
humans cannot reproduce asexually.