SETS OF CHROMOSOMES. DIPLOID (2n) Has full number (2 sets, one from mom and one from dad) of chromosomes (2 in each homologous pair). Total number of chromosomes = 46 for humans Body cells HAPLOID (1n) - PowerPoint PPT Presentation
Dna, Dna replication, and cell division (mitosis and
Meiosis)
1SETS OF CHROMOSOMESDIPLOID (2n)Has full number (2 sets, one
from mom and one from dad) of chromosomes (2 in each homologous
pair).Total number of chromosomes = 46 for humansBody cellsHAPLOID
(1n)Has the number (1 set, one from either mom or dad) of
chromosomes (only 1 from each homologous pair).Total number of
chromosomes = 23 for humansSex cells (gametes)
2TWO TYPES OF CHROMOSOMESSEX CHROMOSOMES- (Total for humans=
2)Determines the sex of an organism; may also carry genes for other
characteristics.Either X or YXX = femaleXY = maleAUTOSOMES- (Total
for humans= 44)All other chromosomes in an organism.Contain all
other genes.KARYOTYPE-picture of a persons chromosomes; arranges
chromosomes in pairs from largest to smallest; can be used to
determine sex or presence of a chromosomal abnormality.
3KARYOTYPE
4Is it possible to Clone a Dinosaur?
Still confused? Watch this video from the Khan academy on
Chromosomes, Chromatids, and Chromatin.
Check #3:Do You Understand This Concept? (Lets see!)
Click HERE to see.
