Meiosis Flashcards
What is meiosis (like, what does it create?)
Creation of gametes
True or false: Meiosis results in 4 genetically unique daughter cells
True :)
Are the daughter cells diploid or haploid?
Haploid, obviously
What has unique combinations of chromosomes?
Daughter cells
What is crossing over?
When chromosomes exchange DNA
When does crossing over occur?
Prophase I of meiosis I
Chromosomes occur in ________
Pairs/homologs
Each chromosome has a _________
Copy/chromatid
How many chromosomes do you receive from each of your parents?
One from each
What are homologous chromosomes?
Pairs of chromosomes that are the same size and shape and contain genes.
How many alleles does each gene in homologous chromosomes have?
2, one from each chromosome
Alleles may be ______ versions of the gene
Different
What are diploid cells?
Cells that have a full set of chromosomes (46 for humans)
What are haploid cells?
Cells that have half a set of chromosomes (23 in humans)
Meiosis is the production of ___________ with ___________
Haploid cells/unpaired chromosomes
How many rounds of cell divisions does meiosis have?
2 (mitosis has 1)
Meiosis is the production of what?
Gametes