Misc
Asexual Reproduction
Meiosis - General
Meiosis I, Meiosis II or neither
Stages of Meiosis
100
male gametes are called ________________.
sperm
100
What process occurs when 2 gametes combine to form the first cell of a new organism?
Fertilization
100
How many chromatids are in a tetrad?
4
100
produces 4 haploid cells
Meiosis II
100
Crossing over between homologous chromosomes occurs.
prophase I
200
female gametes are called ________________.
eggs
200
What process is used when dividing a cell into 2 identical, diploid cells?
mitosis
200
Cells that have only 1 copy of each chromosome are called ______________.
haploid
200
homologous chromosomes separate
Meiosis I
200
Sister chromatids separate
Anaphase II
300
What is the symbol for a diploid cell?
2N
300
A simple type of asexual reproduction that prokaryotes use
binary fission
300
Suppose that an organism has the haploid number N = 74. How many chromosomes does this organism’s somatic cells contain?
148
300
Produces 2 diploid cells
neither
300
Individual chromosomes line up in the middle of the cell
metaphase II
400
Suppose that an organism has the diploid number 2N = 446 . How many chromosomes does this organism’s gametes contain?
223
400
What is the purpose of mitosis? (there are multiple possible answers).
growth, repair, asexual reproduction
400
The purpose of crossing over is ________________.
Genetic diversity
400
Cells undergo a round of DNA replication.
Neither
400
Spindle fibers pull apart homologous chromosomes.
anaphase I
500
During Prophase I, homologous chromosomes pair up to form _________.
tetrads
500
List 1 purpose of mitosis
growth or repair in multicellular organisms OR reproduction in single celled organisms
500
Unlike mitosis, meiosis in mammals results in the formation of ____________? (BE SPECIFIC!!)
4 haploid gametes
500
Is called a "reduction division" because the number of chromosomes is cut in half.
Meiosis I
500
nuclear membranes start to form around 2 clusters of chromosomes as they begin to unwind.
telophase I
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