DNA is organized into 46 chromosomes including sex chromosomes, 3D animation
A portrait of human chromosomes: this process labels the chromosomes with multicolored fluorescent tags, allowing researchers to consistently distinguish between chromosomes.
DNAFTB Problem 8: Take a look at human chromosomes.
Karyotype courtesy of Dr. K. Phelan, Greenwood Genetic Center.
DNAFTB Concept 9: Study of meiosis revealed the chromosomal basis of sex.
DNAFTB Animation 9: Nettie Stevens and Edmund Wilson explain how biological sex is determined by special chromosomes.
Offspring arise from the union of specialized sex cells â a female egg and a male sperm.
The two genes that produce red and green light-sensitive proteins are located on the X chromosome.
Matt Ridley talks about Y Chromosome, SRY gene responsible for the masculinization process.
Fruit flies help to reveal that chromosomes carry genes.