Vocabulary
Smallest structural and functional unit of an organism. Our bodies are made of them.
Cell
The way in which somatic cells divide.
Mitosis
What is an inherited trait?
A trait inherited from your parent
Which one of the following organisms does not belong in the group?
Parrot
Flamingo
Dove
Rat
Rat
What is a mutation?
How cells reproduce by splitting apart.
Cell Division
First phase
Prophase
What is an acquired trait?
A trait you gained from your environment
A tool used to determine the identity of things, both living and non-living.
Dichotomous Keys
How could a mutation happen?
Out of no where or an environmental change.
Controls the movement and separation of chromosomes during division.
Spindle Fibers
Second Phase
Metaphase
What is an example of an inherited trait?
Answers vary
- eye color
-hair color
-skin color
What does the di in dichotomous mean?
Two
After a cell has undergone mitosis, there are two cells. Are those cells the same or different and why?
A structure in a chromosome that holds the two chromatids together.
centromere
Third Phase
Anaphase
What is an example of a acquired trait?
Answers vary
- big mussels
-tan skin
-scars
A pair of contradictory statements, where one statement is accepted and the other is rejected.
Couplet
Is mitosis a result of asexual or sexual reproduction?
Asexual
Tightly packed DNA, found only during cell division. Can be seen with a microscope.
Chromosome
Fourth Phase
Telophase/Cytokensis
Is can a trait be caused by a mutation? Why or why not?
Yes, a trait can be caused by a mutation because a mutation can alter a gene, which in turn changes the protein the gene produces, leading to a different or new trait
hy is it important while making a Dichotomous Key that you avoid using characteristics such as tall, short, big, or small?
A baby animal could be small but the adult could me big.
Why is Mitosis very important to a cell?
Growth, developing, and repairing a cell