Identical twin boys playing. Genetically identical (monozygotic) twins arise when a single fertilised egg splits and develops into two ba

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Identical twin boys playing. Genetically identical (monozygotic) twins arise when a single fertilised egg splits and develops into two babies.

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Size: 3585px × 3701px
Photo credit: © IAN BODDY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bed, boy, boys, brother, brothers, child, children, excited, excitement, fighting, genetic, genetics, giggling, happiness, happy, identical, indoors, laughing, laughter, lifestyle, male, pair, people, play, playing, rivalry, sibling, siblings, smile, smiling, toddler, toddlers, twin, twins, vitality