Meiosis
Number of daughter cells produced
4
Make up different versions of a gene
Alleles
Immortal cells that never die
HeLa cells
Fertilization is this type of reproduction
Sexual
Phase where homologous chromosomes line up in middle of the cell
Metaphase
DNA condenses into chromosomes during which phase of meiossis
Prophase
What process produces gametes
Meiosis
HeLa cells are named after who?
Henrietta Lacks
In this phase spindle fibers pull apart homologous chromosomes
Anaphase
A cell has 12 chromosomes. How many chromosomes would there be at the end of Meiosis?
6
Type of cells produced by meiosis
Gametes (egg or sperm)
How many chromosomes do humans have?
46
Haploid daughter cells have how many chromosomes
23
Product of Fertilization
Two haploid gametes
A cell has 6 chromosomes. How many will it have after Meiosis 1
3
Type of cells produced at the end of meiosis
Haploid
Type of chromosomes that begin to condense in Meiosis 1
Homologous chromosomes
He discovered HeLa cells
Dr. Gey
Number of rounds of division for Meiosis
2
During this phase, cell membrane divides resulting in 4 haploid cells
Telophase
This event leads to genetic diversity
Crossing over
5 differences between Mitosis and Meiosis
Mitosis-asexual Meiosis-Sexual reproduction Mitosis-1 round of division Meiosis-2 rounds Mitosis-no crossing over Meiosis-crossing over Mitosis-produces 2 diploid cells Meiosis-4 haploid cells Mitosis-no homologous chromosomes Meiosis-homologous chromosomes pair up
Pair of chromosomes that carry the same genes
Homologous
Fertilized egg
Zygote
This must happen to the DNA before Meiosis can begin
Replication