History Main / HollywoodGenetics

24th Mar '17 5:31:17 PM NumberFortyFour
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* A plot point in ''Series/GameOfThrones'', despite being set in a world with no knowledge of genetics. All three "Baratheon" children all have blonde hair and green eyes like their mother, Cersei, despite the fact that their father, Robert Baratheon, has very dark brown (described as black) hair and eyes. While this in itself is possible, Ned reads through a book detailing Baratheon lineage and discovers that every dark haired Baratheon has always given birth to dark haired children even if their mother was blonde. This would make it a lot less likely that Robert would be carrying recessive genes for blonde hair. Even without knowledge of genetics, this arouses suspicion, and is what leads Ned to the conclusion that Cersei's children are actually bastards born out of incest with her dirty-blonde brother Jamie.
1st Mar '17 7:07:43 PM nombretomado
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* ''Film/HarryPotter'' inherited his mother Lily's GreenEyes, which is a plot point. In the film adaptations, blue-eyed DanielRadcliffe was cast. This is fine in and of itself, since they also cast blue-eyed Geraldine Somerville as his mother, preserving the similarity. However in the film version of ''Film/HarryPotterAndTheDeathlyHallows'', during a flashback which detailed her childhood, the actress cast had deep brown eyes. Radcliffe also attempted to wear green contact lenses for close-up shots, but they irritated his eyes rather badly.

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* ''Film/HarryPotter'' inherited his mother Lily's GreenEyes, which is a plot point. In the film adaptations, blue-eyed DanielRadcliffe Creator/DanielRadcliffe was cast. This is fine in and of itself, since they also cast blue-eyed Geraldine Somerville as his mother, preserving the similarity. However in the film version of ''Film/HarryPotterAndTheDeathlyHallows'', during a flashback which detailed her childhood, the actress cast had deep brown eyes. Radcliffe also attempted to wear green contact lenses for close-up shots, but they irritated his eyes rather badly.
11th Feb '17 5:07:34 PM princessbinas
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** Then there's her grandmother, who has black hair as well. It could have just skipped a generation.
31st Jan '17 11:07:03 AM MikeW
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** Played for laughs in how people are stunned to realize chubby redhead Artie and tall, handsome dark-haired Diggle are brothers. Artie not only assumes the resemblance is obvious but that he's more handsome than Diggle.


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* Played for laughs on ''Series/{{Suits}}'' with Louis, a short man with a weasel-like face when his sister drops by, played by the gorgeous Amy Acker. People are stunned to see her and trying in vain to figure out how she and Louis could possibly be related. Even funnier? Louis assumes the shock is because "we could be twins."
28th Nov '16 8:24:00 PM TheSinful
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* In ''Film/WarCraft2016'', Australian Travis Fimmel and Irish/Ethiopian Creator/RuthNegga play siblings despite having notably different hair and eye colors and wildly different skin tones.
13th Nov '16 1:06:08 PM nombretomado
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* In ''WesternAnimation/BatmanBeyond'', Terry's mother was a redhead and his dad was blond, but Terry and his little brother had black hair. In the DistantFinale which was also a FullyAbsorbedFinale (the ''JusticeLeagueUnlimited'' episode "Epilogue") it was revealed that [[spoiler:Bruce Wayne is Terry's biological father by way of Cadmus mad science, fixing the whole mess]]. Apparently an AuthorsSavingThrow as a solution to people noting its impossibility (it also helps that Terry's parents already had marital issues that suspected infidelity could have contributed to). Note that it never occurred to anyone to simply suggest that his mother dyes her hair...

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* In ''WesternAnimation/BatmanBeyond'', Terry's mother was a redhead and his dad was blond, but Terry and his little brother had black hair. In the DistantFinale which was also a FullyAbsorbedFinale (the ''JusticeLeagueUnlimited'' ''WesternAnimation/JusticeLeagueUnlimited'' episode "Epilogue") it was revealed that [[spoiler:Bruce Wayne is Terry's biological father by way of Cadmus mad science, fixing the whole mess]]. Apparently an AuthorsSavingThrow as a solution to people noting its impossibility (it also helps that Terry's parents already had marital issues that suspected infidelity could have contributed to). Note that it never occurred to anyone to simply suggest that his mother dyes her hair...
14th Oct '16 12:09:57 PM Trueman001
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* In ''WesternAnimation/InsideOut'', Riley has dirty-blonde hair and blue eyes, yet her parents both have brown eyes and brown hair. Either Riley has inherited recessive genes or Riley's mother was unfaithful to her father.

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* In ''WesternAnimation/InsideOut'', Riley has dirty-blonde hair and blue eyes, yet her parents both have brown eyes and brown hair. Either Riley has inherited recessive genes or Riley's mother was unfaithful to her father. Or it could be simply that Riley is prepubescent, so her eyes haven't yet darkened to their adult colour.
27th Sep '16 6:50:47 PM looneynightmare
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* The brown haired Hank and Peggy from ''WesternAnimation/KingOfTheHill'' have a blonde haired son Bobby, their parents also had brown hair in their youth but it's implied it comes from Hank's side of the family as his father Cotton's son he fathered from his nurse Didi looks identical to Bobby blonde hair and all.
11th Sep '16 2:06:49 PM MissConduct
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There are certain {{justifi|ed trope}}cations; the mechanics behind real life genetic inheritance [[RealityisUnrealistic are more complicated]] than the Mendelian model, which doesn't factor in mutations, malfunctions, and polygenetic traits. Also, casting around to get the most plausible genetics is not always practical--after all, you're not going to turn down Creator/HarrisonFord for a part because his eyes are the wrong color.

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There are certain {{justifi|ed trope}}cations; the mechanics behind real life genetic inheritance [[RealityisUnrealistic are more complicated]] than the Mendelian model, which doesn't factor in mutations, malfunctions, and polygenetic traits. Also, [[AbilityOverAppearance casting around to get the most plausible genetics is not always practical--after practical]]--after all, you're not going to turn down Creator/HarrisonFord for a part because his eyes are the wrong color.


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[[folder:Theatre]]
* In many stage shows, the producers will choose AbilityOverAppearance and cast vastly physically different actors as relatives. Not to mention if you're in the back row of the top balcony you probably won't notice if Theatre/{{Hamlet}} has green eyes and Gertrude has brown.
[[/folder]]
22nd Aug '16 8:12:46 AM Twilightisbestpony
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* ''WesternAnimation/Caillou'': Caillou's dad has brown hair,and his mom has black hair. His little sister...has red hair.

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* ''WesternAnimation/Caillou'': ''WesternAnimation/{{Caillou}}'': Caillou's dad has brown hair,and his mom has black hair. His little sister...has red hair.
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