Mitosis
What are the 5 subphases of mitosis?
prophase, prometaphase, metaphase, anaphase, telophase
4 haploid cells
What type of plant did Mendel use to demonstrate how genetics works?
pea plants
What are genes made up of?
DNA
In what direction does DNA synthesis proceed?
5' to 3' direction
cytokinesis
What is the number and type of chromosomes present in an organism called?
karyotype
What is another word for a family tree that is used to analyze crosses that already exist.
pedigree
What are chromosomes made up of?
DNA and protein
What happens at the replication fork?
DNA is split into two different strands for copying
What is the microtubule organizing center called?
centrosome
True - genetic recombination
What is the cross called when there is mating between parents that are both heterozygous for two traits?
dihybrid cross
What did the Hershey-Chase Experiment study?
Whether genes were made up of DNA or proteins
What enzyme joins together Okazaki fragments to form a continuous DNA strand?
DNA Ligase
polar microtubules and kinetochore microtubules
During late prophase I, non-sister chromatids separate and crossing over occur at what location?
Chiasmata
What is the theory called that says meiosis causes patterns of inheritance?
Chromosomes Theory of Inheritance
The primary structure of DNA has two major components which are
backbone made of sugar and phosphate groups
nitrogen containing bases coming off the backbone
What enzyme cuts and rejoins the DNA downstream of the replication fork after unwinding has occurred
topoisomerase
What are the two of the four factors that affect whether cells pass the G1 checkpoint?
cell size
nutrient available
social signals from other cells
health of DNA
What is the structure that results from synapsis during meiosis is called?
tetrad
What is it called when two genes are inherited together?
Linked Genes
Type of replication where the parental DNA strands separate and each is used as a new template for synthesis of the new strand.
semiconservative replication
What do somatic cells lack that cause chromosomes to shorten overtime as a person ages?
telomerase