Mitosis and Meiosis Quiz
What chromosome pairs in a karyotype are the autosomes?
1-22
What chromosome pair are the sex chromosomes?
23
What is a karyotype?
A display of every pair of chromosomes within a cell
How many cells does mitosis and meiosis start with?
Both 1
How many chromosomes does mitosis and meiosis begin with?
Both 4 duplicated
Are the chromosomes in mitosis and meiosis at the beginning of the process duplicated or un-duplicated?
Both are duplicated
At the end of mitosis and meiosis, are the chromosomes in pairs?
Both are not
Are the chromosomes in the cells in mitosis and meiosis at the end of the process duplicated or un-duplicated?
Both are un-duplicated
What do the autosomal chromosomes determine?
Characteristics not related to the biological sex of an organism
How are chromosomes arranged in a karyotype?
Largest to smallest, sex chromosomes at the end, Homologous chromosomes paired together
Does mitosis or meiosis pass DNA to offspring?
Meosis
Does mitosis and meiosis go through one or two rounds of cell division?
Mitosis goes through once, meiosis goes through twice
How many chromosomes are in each of the last cells for mitosis and meiosis?
Mitosis has 4 un-duplicated, meiosis has 2 un-duplicated
How is the end goal of meiosis different from the end goal of mitosis?
Mitosis makes more body cells
Does mitosis and meiosis make somatic cells or sex cells?
Mitosis makes somatic cells, meiosis makes sex cells
How many cells does mitosis and meiosis end with?
Mitosis with 2, meiosis with 4
Are sex chromosomes homologous?
No
What do different colors of chromosomes represent in diagrams?
Some chromosomes came from mom and some from dad
What do sex chromosomes determine?
The biological sex of an organism
What is nondisjunction?
The failure of chromosome pairs to seperate properly during meiosis
What is wrong with this karyotype?
There is an extra sex chromosome
What information can be found on a karyotype?
Total number of chromosomes, number of autosomes, and number and type of sex chromosomes
What are homologous chromosomes?
Two genetically similar chromosomes, one from each parent
What combination of sex chromosomes leads to a biologically female person?
XX
What combination of sex chromosomes leads to a biologically male person?
XY
Are autosomes homologous?
Yes