Terms in this set (30)
What is a set of homologous chromosomes?
Set of chromosomes, 1 from each parent.
What is the symbol for diploid?
What is a humans diploid #?
What is the symbol for haploid?
What is a human's haploid #?
What is a gamete?
What is the name for a male gamete?
What is the name for a female gamete?
Where are gametes made?
What is another name for fertilized egg?
What is a tetrad? When does it occur?
A pair of homologous chromosomes or 4 chromatids. Prophase 1.
What is crossing over? When does it occur?
Exchange of DNA on homologous chromosomes. Prophase 1.
What are the phases of meiosis 1?
Prophase 1, metaphase 1, anaphase 1, telophase 1.
What are the phases of meiosis 2?
Prophase 2, metaphase 2, anaphase 2, telophase 2.
How many cells are produced at the end of telophase 1? What is the different about them genetically?
2 daughter cells. Only 1 set of genes-haploid
How many cells are produced at the end of telophase 2? What is different about them genetically?
4 daughter cells. All genetically unique.
What are the two main differences between mitosis and meiosis?
1. Diploid cells(mitosis) vs. haploid cells(meiosis)
2. Mitosis genetically identical, meiosis genetically different
How many sets of homologous chromosomes do humans have?
What phrase is used to describe the chromatids after crossing over takes place and homologous chromosomes separate?
What event must take place during interphase before a cell proceeds to division?
At the end of Meiosis 1, two cells have been produced. How many replicated chromosomes are in each of these cells?
At what stage in meiosis 1 do the pairs of homologous chromosomes come together?
At what stages of meiosis 1 are the cells diploid and at which stage are they haploid?
Prophase 1 and Metaphase 1: Diploid
Anaphase 1, Telophase 1, and Cytokinesis 1: Haploid
During Anaphase 1 which structures are separated?
During Anaphase 2 which structures are separated?
At the end of meiosis 2 there are 4 daughter cells. Are they haploid or diploid?
How many viable gametes will be produced after one round of meiosis from a male?
How many viable gametes will be produced after one round of meiosis from a female?
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