Plant Reproduction
What is the function of a flower?
Reproduction
Mitosis daughter cells have how many chromosomes?
Same as the parent. 2n
Meiosis in a male forms what?
Sperm
Define: Mitosis
Cell division that produces 2 identical daughter cells. Asexual reproduction
During development a fetus receives nutrients through what?
What is the purpose of the colorful petals?
To attract pollinators
Give an example of a cell in a human that was made from mitosis.
Skin, heart, muscle, liver, bone, etc.
The joining of a sperm and egg is called what?
Fertilization
Define: meiosis
A type of cell division that results in the formation of 4 unique daughter cells with half the number of chromosomes as the parent
What is the function of sperm?
To transport genetic information from one generation to the next
What is the purpose of the sticky substance on the stigma?
To capture and trap pollen for fertilization
Which type of reproduction results in the least amount of genetic variation?
Asexual
What happens in the ovary?
Egg is produced. Hormones are released
Define: External fertilization
When sperm and egg meet outside of the body
In what part of the human reproductive system does the embryo develop?
The uterus
Where are flower sperm located?
Pollen grains
Using the words haploid and diploid describe meiosis.
Going from 1 diploid parent cell to 4 haploid daughter cells
Why do you look similar to your parents but not identical to them? Be specific.
You get half of the traits from your mom and half from your dad so you look a little bit like both parents
Define and give an example of internal fertilization.
Sperm and egg meet in the female body. Humans
Tell me what the placenta and umbilical cord do
The umbilical cord transports nutrients from the placenta and the mom to the fetus and brings waste from the fetus back to the mom
What structure of a flower functions as the female organ?
Ovary
What are 2 characteristics of external fertilization?
Lots of eggs and sperm produced
Happens in water
Not protected
Define: crossing over
DNA crossing over each other and exchanging gene segments which increases variation
Where does meiotic cell division occur in a male and female?
Male: testes
Female: ovaries
What part of the flower makes pollen?
Anther
Explain what causes cancer
Uncontrolled cell division (mitosis) in an abnormal cell
Fertilization
Define diploid and tell me what symbol is used to represent that word
The normal number of chromosomes in a cell. 2 pairs. It is represented by 2n
What are 2 things a mother can do to harm her developing baby and what are 2 things a mother can do to help her developing baby
Answers vary