Pedigrees

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  • Published on Feb 9, 2017
  • Explore autosomal recessive trait and X-linked recessive trait tracking in pedigrees with the Amoeba Sisters! Matching handout available here: www.amoebasisters.com/handouts.html. See table of contents by expanding details! 👇
    Table of Contents:
    Introducing Symbols/Numbering in Pedigree 0:40
    Meaning of Shading in Shapes 1:19
    Introducing Pedigree Tracking Autosomal Recessive Trait 2:44
    Working with Pedigree Tracking Autosomal Recessive Trait 4:07
    X-Linked Pedigree 6:45
    What is Meant by "Half-Shading" Shapes in Pedigree? 9:01
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    The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: www.amoebasisters.com/about-us.html
    We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: openstax.org/details/books/biology
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Comments • 345

  • Amoeba Sisters
    Amoeba Sisters  11 months ago +90

    We like to address clarifications or corrections in our videos in the pinned comments. Pinky accidentally said "coefficients" at 2:10 when she should have said "exponents." These are exponents as shown in how the sex-linked trait was written at that time stamp. We greatly appreciate the individual who let us know this was in the video! :D

    • PRAVEEN KUMAR
      PRAVEEN KUMAR 17 days ago

      Can u help me out understanding how to decide which trait is recessive - free or attached ear lobe from two pedigree

    • Mandalorian Funko Pops
      Mandalorian Funko Pops Month ago +1

      Thank you amoeba sisters! I had pedigree science homework and needed some help, but couldn't find other videos. Thanks for the tips!

    • Snowy Glaceon
      Snowy Glaceon 2 months ago +2

      YOU AMOEBAS ARE THE BEST!!!!

    • Aggl Yusr
      Aggl Yusr 11 months ago +4

      Thank you for these wonderful videos!

  • Akigura Grande
    Akigura Grande Day ago

    :D

  • Covexe
    Covexe 4 days ago

    girls got curves so thats why there circles

  • MuShroom Me
    MuShroom Me 5 days ago

    Woo...

  • Smatsy A.
    Smatsy A. 6 days ago +1

    To be honest, I was SHOOK when I saw the human forms of the Amoeba sisters. ;)! This video also saved my life. We just learned this at school, and it made no sense until I saw this.

  • C.D.T.N 15
    C.D.T.N 15 6 days ago

    Now I know what to do on my test tomorrow. Thank you so much😊😊

  • DerpDaDirtBlock
    DerpDaDirtBlock 7 days ago

    Big E or little e, more like Big E Smalls

  • Khushi Gangaiah
    Khushi Gangaiah 9 days ago

    this is extremely helpful!! thank you amoeba sisters!

  • Mimba Elvis
    Mimba Elvis 10 days ago

    This video made my lesson supper excellent. Thank you

  • Vianny R
    Vianny R 11 days ago

    8:38
    *PETUNIA WAKE UP*

  • AwoXOXO
    AwoXOXO 13 days ago

    I saw the kingdom hearts reference

  • Boohy X
    Boohy X 19 days ago

    I am french and i understand more this video then all the french videos wich are talking about that. French education methods suck.

  • Youssef Ezzat Mohamed Abdel Aziz

    Oh amazing. I loved the way she is explaining

  • Rolo McFlurry
    Rolo McFlurry Month ago +1

    I still have to sing my ABC's too. LOL

  • Luis Regalado
    Luis Regalado Month ago

    Triple H is the only thing in my head right now

  • Emily Drea
    Emily Drea Month ago

    Im in 8Th grade and we are learning this, This is HARD except this is helpful!❤✔📚

  • Brent Smith
    Brent Smith Month ago +1

    most boring video ever. I had to watch this in class

  • Khadija Abbas
    Khadija Abbas Month ago

    Hi Amoeba Sisters! This video was great! It helped me to understand pedigrees really well.

  • Shori Chanel
    Shori Chanel Month ago

    I appreciate all your work really I’m a big fan of you I wish you all the best always. Your videos so helpful fabulous 👍🏼💕♥️♥️♥️💕

  • SAM AnOnymOus
    SAM AnOnymOus Month ago

    Nice explanation😊

  • Sophia Muchnick
    Sophia Muchnick Month ago

    how do you know how to categorize a generation if not specified in a question

  • Ashwika Singh
    Ashwika Singh Month ago

    4:46 All hail the Cookie Queen!

  • graham wiggins
    graham wiggins Month ago

    G
    \

  • Nelly Neufeld
    Nelly Neufeld 2 months ago

    It's currently midnight and I have a genetics test tomorrow. Thank you Pinkie

  • Sienna Radley
    Sienna Radley 2 months ago

    these videos help me and the kids in my class so much!

  • ZachStarAttack
    ZachStarAttack 2 months ago

    Very awesome. Helped me get thorugh this weird pedigree triple variable bull*** in science. Good day to you all!

  • Ava Curtis
    Ava Curtis 2 months ago +4

    i’m learning more here than from my sophomore year in college biology professor

  • Zouraiz Khan
    Zouraiz Khan 2 months ago

    thanks this really helps but i noted something at 5:53 the punnet square that yu stated is right but the pedigree that states those two heterozygous cells combining is wrong. plz respond

  • Tayla Tay
    Tayla Tay 3 months ago

    Any homeschoolers
    No ok

    I feel like those people who do dis WHAT HAVE I BECOME 😩😭😭😭😭😭😭😭


    I’m lonely I’m not gonna post this cause people think homeschoolers are wierd some of them probably are (no effence not that ur a homeschooler) anyways I’m not wierd just some (lots) of people are rude and only give a crap about them selves and will point out any different feature on someone else
    If u are rude and only give a crap about your self then well I don’t know well stop cause u have ruined people’s lives

  • Get the dub
    Get the dub 3 months ago +1

    (Me understands nothing)

  • OMorgan Davis
    OMorgan Davis 3 months ago

    Great job, ladies! God is good.

  • Justin Rockwell
    Justin Rockwell 3 months ago +1

    i love drake

  • Justin Rockwell
    Justin Rockwell 3 months ago +1

    this helped a lot

  • Chimdindu Ohakwe
    Chimdindu Ohakwe 4 months ago

    how does sex linked traits have to do with mothers passing genes to their sons

  • Sharayu Dhonde
    Sharayu Dhonde 6 months ago +1

    I hope my regular classes were like these😊
    I would've become a SUPER-BIO-GIRL!!!

  • Zain .M
    Zain .M 6 months ago

    وينه الترجمه

  • Martin Mena
    Martin Mena 7 months ago +1

    Amoeba sisters > college professors

  • wisdom kid
    wisdom kid 7 months ago

    thanks so much this helped a lot peace

  • Marceline 0202
    Marceline 0202 7 months ago

    Thank you

  • NerdCraft 101
    NerdCraft 101 8 months ago +1

    It’s Captain Picard!!!!!

  • 이채원
    이채원 8 months ago

    But how do we know if the attached earlobes are recessive?

  • Funqzyy
    Funqzyy 8 months ago +2

    This video better get me 60% or higher in my biology test

  • Katherine Light
    Katherine Light 8 months ago

    These are so cute and funny! I am so happy to have stumbled upon this. Honestly, a huge blessing because I am extremely right brained and anything that doesn't interest me or I can't memorize or relate anything to is ridiculously hard for me to understand... But cartoons that are smart and funny help me immensely! Thank You!

  • SkylineGamingAnimations

    My school uses your videos for lessons that’s how good you are!

  • jrseahorse
    jrseahorse 8 months ago +107

    Every time they say pedigree I think of that pet brand food 😂

    • GURMUU IS _HERE
      GURMUU IS _HERE 2 months ago

      k

    • Texrap Pubg
      Texrap Pubg 2 months ago +3

      jrseahorse for me every time they sat pedigree i think of someone called triple H. He is in WWE. His finishing move is called pedigree

  • RavioliCan
    RavioliCan 8 months ago +1

    Thanks so much Amoeba Sisters! Your videos have taught me more than my actual biology class has

  • Riley Lee
    Riley Lee 8 months ago

    🅱️ lol

  • Carson Mumaw
    Carson Mumaw 8 months ago +1

    Spaghetti taste better with colors

  • Noe Kiss
    Noe Kiss 8 months ago

    This video is shit the explenation is absolutely horrible remake pls more simple explanation

  • Yung Chap
    Yung Chap 8 months ago

    What is a autosomal pedigree

  • Tahsin Haider
    Tahsin Haider 9 months ago

    Anybody else get that kingdom hearts reference

  • JennFlProfile Updated
    JennFlProfile Updated 9 months ago

    Love these!!!!!

  • Hiva Vlogs ✔️
    Hiva Vlogs ✔️ 9 months ago

    Subbed good videos

  • Jared Stagg
    Jared Stagg 9 months ago +5

    This is my favorite drake song. Just so long.

  • Jackson Mailhot
    Jackson Mailhot 9 months ago

    Can you plz find out your family’s earlobe status😘

  • Cansu Özyılmaz
    Cansu Özyılmaz 9 months ago

    Can you put Turkish subtitles in videos

  • Anya Warrior
    Anya Warrior 9 months ago

    In real Pedigrees, they track THE PEOPLE ON THE PEDIGREE THAT DIED... I found that out during my science class. I was pretty startled by it.

  • PennybagPerry
    PennybagPerry 9 months ago

    study for science test - amoeba sisters - pass science test - get a good education - high school diploma - college - pass college - get a good job - die

  • Jacob Sullivan
    Jacob Sullivan 9 months ago

    all of these views are people with a test tomorrow

  • Kester D'Abreo
    Kester D'Abreo 9 months ago +2

    Keep on posting the great content, this has saved me for a science test on genetics #greatyoutubers