80 likes | 412 Views
What is Triploidy?. Born with 69 chromosomes 3 of every chromosome 69, +1 thru 23, XXX. How Do You Get Triploidy?. Random 3 Ways 1) 2 sperm (each with 23 chromosomes) fertilize one egg (23 chromosomes) 2) Sperm with 46 chromosomes fertilizes egg with 23 chromosomes
E N D
What is Triploidy? • Born with 69 chromosomes • 3 of every chromosome • 69, +1 thru 23, XXX
How Do You Get Triploidy? • Random • 3 Ways • 1) 2 sperm (each with 23 chromosomes) fertilize one egg (23 chromosomes) • 2) Sperm with 46 chromosomes fertilizes egg with 23 chromosomes • 3) Sperm with 23 chromosomes fertilizes egg with 46 chromosomes
Medical Problems and Features • Cleft Lip • Enlarged head • Incomplete brain development • Failure of the spinal column to close completely • Webbed fingers
Treatments • None • 100% death rate • Most are naturally miscarried (99.9%) • 0.1 % are born • Death usually in a few hours
Conclusion • Lethal • Random • 69 chromosomes • Most are naturally aborted (miscarried)