Tag

Chimerism

All articles tagged with #chimerism

health18 days ago•261 min saved

34-Week Preemie Valyn Wows With Split Eye, Hair and Skin Colors, Sparking Chimerism Talk

People exclusive: Valyn Black, born at 34 weeks after a life-threatening cesarean-scar pregnancy complicated by placenta previa and placenta accreta, presents with eyes, hair, and skin in two colors. Her mother, Ashlee Black, says Valyn is healthy and happy, and the rare appearance has fueled discussions of chimerism—the presence of two distinct DNA sets—after a viral TikTok video showing her unique coloring.

via AOL.com|

#chimerism #health #heterochromia

science2 years ago•3 min saved

The Hidden Markings on Human Skin Revealed.

Humans have invisible skin patterns called Blaschko lines that trace the journeys our cells took as they divided and grew into the skin during embryonic development. These lines are drawn by the paths of keratinocytes and melanocytes. Mutations involving color-producing cells can lead to pigmentary mosaicism presenting as streaks and swirls following Blaschko lines. Another rare but extreme example of mosaicism in humans is chimerism. These lines can also help doctors diagnose skin conditions.

via ScienceAlert|

#blaschko-lines #chimerism #mosaicism

biology2 years ago•2 min saved

Yellow Crazy Ants Have Bizarre Dual DNA for Reproduction

Male yellow crazy ants have two sets of DNA throughout their bodies, representing the first-ever discovery of obligate chimerism. This unique genetic feature may help to prevent inbreeding, which could in turn help the ants survive in unfamiliar territory, explaining their success as an invasive species.

via Phys.org|

#biology #chimerism #dna