Place where the homologous chromosomes touch and meet
What is chiasmata
100
Where does Spermatogenesis and Oogenesis take place
What is in males, the testes. In females the ovary
100
Seeking out of homologous chromosomes and crossing over occurs in this stage.
What is Prophaes I
100
Seeking out of the matching homologous chromosomes
What is Synapsis
100
A human female forms how many functional eggs form one original cell
What is ONE
200
ANother name for 2 Pairs of Homologous Chromosomes
What is Tetrad
200
Difference between the end products of spermatogenesis and oogenesis
What is spermatogenesis you get 4 functional sperm, Oogenesis you get 1 functional egg/ovum and 2-3 non-functional polar bodies.
200
DNA is duplicated in this phase
What is Interphase
200
Exchange of Genetic Material is called
What is crossing over
200
When the sperm and egg cells meet, this is called
What is Fertilization
300
Twins that run in families/genetic
What is Fraternal Twins
300
When does Oogenesis begin?
What is in the womb, before birth
300
Sister chromatids seperate
What is Anaphase II
300
Cell that contains 2 of each kind of chromosomes is said to be___
What is Diploid
300
Whihc disease is the only disease where you can survive with only 45 chromosomes.
What is Turners Syndrome
400
Body cells since they have ____chromosomes are considered to be in the ______ state
What is 46 chromosomes and diploid state
400
Oogenesis undergoes _____cytokinesis or uneven cytokinesis
What is Asymmetrical.
400
results in 4 Haploid Cells
What is Telophase II
400
Zygotes are _____, they have ___chromosomes
What is Diploid, 46
400
Which is bigger, sperm or egg?
What is EGG
500
When chromosomes do not seperate properly, this happens
What is Non-disjunction ( Down syndrome, Turner's, Klinefelters)
500
Egg and Sperm are considered ______ because they have _____ chromosomes
What is HAPLOID, 23
500
the homologous chromosomes line up on the equator during _____. Depending on how they line up on the equator during this phase, can mix up the gene pool, what is this called?
What is Metaphase I, Independent Assortment
500
3 things that cause genetic variation or genetic recombination
What is Crossing over, Independent Assortment, Sexual reproduction, Mutations