CHROMOSOMES ANOMALIES By: renata diaz

Down Syndrome

Normally, humans cells contain 23 pairs of chromosomes, down syndrome occurs when an individual has an extra copy of chromosome 21. The cause of that extra full or partial chromosome is unknown. Down syndrome occurs as a random event dusing the cell division in the early fetal development. Maternal age is the only factor that has been linked to the possibilities of having a baby with down syndrome, most of the moms of this babies were under 35 years old when they had them. Down syndrome occurs

Klinefelter Syndrome

Is a chromosomal condition which affect the physical and reasoning male development. This syndrome typically occurs when the genetic material on the egg splits unevenly causing the presence of an extra X chromosomes on males. This chromosomal change occur as random events during the formation of the reproductive cells (sperm and egg).

Turner Syndrome

We all suppose to have sex chromosomes, people with turner syndrome only have one sex chromosome. This syndrome causes problems and medical issues such as short height, heart defects, infertility and learning disabilities. Turner syndrome is a condition developed when an X chromosome is missing, the condition is caused by nondisjunction which happens when a pair of X chromosomes doesn't separate during the formation of the sperm. Turner syndrome only affect women.

Color Blindness

It is the inability to distinguish certain colors. This condition is a result of a missing color-sensitive pigment in the cone cells of the retina. This condition is inherited and it is present at birth. 1 out of every 12 men and 1out of 20 are color blind.

Created By
renata diaz
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Created with images by SaraBarragan - "down syndrome girl love" • Buwaneka Saranga - "Genius Abstract" • CarbonNYC [in SF!] - "Sun Pecked" • Marcin Wichary - "Lo-tech"

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