moesis biology
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18 Terms
creation of sex cells gametes (23) (sperm & egg )
meiosis
Cells with half the number of chromosomes (n)
Haploid
full set of chromosomes (46 in humans)
Diploid
specialized organ that reduces the number of chromosomes in females (-4 produced 1 survives)
ovaries
specialized organ that reduces the number of chromosomes in males (-4 produced 4 survive)
testes
1 cell divides into 2 cells
Meiosis 1
2 cells divide into 4 cells
meiosis 2
similar chromosomes with the sames genes ( 1 from mom and 1 from dad)
homologous chromosomes
pair of connected homologous chromosomes
Tetard
Different forms of the same gene. ex) eye color blue eyes, green eyes, brown eyes
allele
random exchange of genes between two homologous chromosomes ( endures genetic diversity)
crossing over
what chromosomes align independently
homologous chromosomes
what two things ensure generic diversity in all living things)
crossing over and homologous chromosome
what is meiosis 2 the same as
mitosis
what produces 2 genetically identical cells
mitosis
what produces 4 genetically different haploid cells
meiosis
23 chromosomes
haploid cell
46 chromosomes
diploid