BIO 111 Lecture Notes - Lecture 3: Mendelian Inheritance, Punnett Square, Probability Distribution

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Experiment started with crossing one white pea flower with a purple flower. This stage of experiment known as parental generation. In this case, the dominant gene is in the purple flower (pp) and recessive is in the white flower (pp). The capital (pp) means dominant and lower case (pp) means recessive. Now, the reason why the offspring turned as a purple flower and not white is because purple was more dominant color gene than white. In this case, the white was recessive so it was the hidden gene. However, if this flower is being crossed again; it will give offspring in both colors. The both dominant and recessive will show up this time (cid:271)e(cid:272)ause a(cid:272)(cid:272)ordi(cid:374)g to the me(cid:374)del"s study; the ge(cid:374)e that (cid:449)as (cid:374)ot (cid:448)isi(cid:271)le for a ge(cid:374)eratio(cid:374) can also return in a future generation without (cid:271)ei(cid:374)g (cid:272)ha(cid:374)ged. Si(cid:374)(cid:272)e (cid:449)hite (cid:449)as(cid:374)"t (cid:448)isi(cid:271)le in the first generation, it has greater chance to show up in the second generation.

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