Vocabulary
The complete set of an organism's genes and other DNA sequences
What is the genome?
Phase in which the DNA content within the cell doubles
In the body, mitosis is the division of _______ cells and meiosis is the division of _________ cells.
Somatic; gametic
If the DNA content of a diploid cell in G1 is x, what is its DNA content in metaphase I?
2x
Technique for imaging chromosomes
What is a karyotype?
First phase that is responsible for producing genetic diversity in organisms
What is prophase I?
Equatorial region in the cell common to mitosis and meiosis where chromosomes organize themselves
If the DNA content of a diploid cell in G1 is x, what is its DNA content in metaphase II?
x
Two pieces of DNA containing the same genes, one from mom and one from dad
Phase where homologous chromosomes are pulled apart
Anaphase I
Phase in mitosis where sister chromatids separate; corresponding phase in meiosis where sister chromatids separate
Anaphase in mitosis
Anaphase II in meiosis
If the DNA content of a diploid cell in G1 is x, what is its DNA content by the completion of meiosis II?
0.5x
What is crossing over?
Phase where independent assortment occurs
What is metaphase I?
Number of times the spindle fiber forms in mitosis; number of time the spindle fiber forms in meiosis
If the DNA content of a diploid cell after it has completed meiosis II is x, what was its DNA content in G1?
2x
Point of contact between a maternal and paternal chromatid
What is the chiasmata?
Chromosome number (n) of cells after completion of telophase I and cytokinesis
What is haploid?
Throughout life; at puberty
If the DNA content of a diploid cell after it has completed meiosis II is x, what was its DNA content in prophase II?
x