Cell Cycle
G1-S-G2 are togerther called what?
Interphase
What is the purpose of Mitosis?
more identical cells; growth of body
What is the purpose of Meiosis?
Sexual reproduction - haploids cells
What is the name of a trait determined by only one gene?
single gene trait
What gender determines the gender of humans?
Males
What is S phase for?
Duplicating the DNA
During what phase does the chromosomes condense?
Prophase
Parents cells:daughter cells
How many daughter cells are produced to 1 parent cell?
1:4
Why were pea plants good for Mendel's experience?
grow up fast
visible phenotype
easy to cutivate
short generation cycles
What is the term where the animal can produce both gamates?
hermaphrodites
What is the purpose of the S-G2 checkpoint?
Check if DNA duplicated correctly
In which phase does the sister chomosomes separate?
Anaphase
What is crossing-over?
When dna shared DNA, occurs in prophase I
An allele that masks other alleles
Dominate allele
How is gender determined in turtles?
Temperature
What is the shortest phase of the cell cycle?
Cytokinesis
In which phase does the chromosomes line up in the middle of the cell?
Metaphase
How do the chromosomes line up in Prophase I?
In pairs in the center of the cells
What you mean by phenotype?
Physical description
What determines gender in bees and wasps?
chromosome number
What is G0? What cell is a example of a cell in G0?
cells that do not duplicate
Heart & Nerve
What is the name of the place where the spindle fibers connect to the chromosomes?
kinetochore
What is Mendel's law of independent assortment?
chromosomes are sorted independently
paternal and maternal cells
What is Mendel's law of segregation?
Each egg or sperm will only get 1 copy of chromosome
How many sperm are created to how many eggs?
4 sperm to 1 egg