Added: 3 years ago
From: rcn2000
Views: 6,422
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  • does anybody know why the letter Rr is used for dominant,recessive? is this always the case for sex-linked traits? tq

  • EXCELLENT EXPLANATION..

    THANK YOU SOOO MUCH

    

  • @xo8MyLove8xo no. only the X chromosome carries trait. :)

  • Much agreed. Awesome Tut. should make higher level tut's too. Execellent! Very easily understood.

  • THANK YOU!!!

    you have saved me from failing. my teacher is a freakin latino and he can barely talk.

  • omg thank youuuuu!!!

  • yeah- excellent- you should make some for the higher level classes too.

  • loved these vids. thanx so much

  • your videos really clarifed the lesson for me.

    if you could post a lesson on dihybrid crosses and a couple test crosses that would be fantastic !

  • just wna say thank u sir

  • Very good Videos.

  • these videos are amazing ! they really helped me a lot

  • these videos are VERY good

  • These videos were awesome!

  • thanks

  • thank you so much this helped me a lot!!!!!!

  • at the end, both females would technically be carriers..

  • thanks this really helped! we are learning about this in my AP Bio class and my teacher kind of skipped over the basics assuming we already knew it.... this video cleared up any confusion

  • nice vid - gud review for quiz

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