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GalinKa [24]
3 years ago
12

What are the genotypic and phenotypic ratios

Chemistry
2 answers:
inessss [21]3 years ago
8 0

- Genotype is the genetic make-up of an organism that describes the nature of each trait. (the letters we often write for a certain trait)

- Phenotype is the morphology of a living organism .(the trait you usually observe while looking/tracking the organism)

Example:

- In the flower of a pea plant there are a pink color(RR) or (Rr) and a white color(rr).

- When crossing two hybrid ( with two different letters) pink colors,

P  :     Rr        ×      Rr  

G :      R    r        R    r    

F1 :  RR   Rr    Rr    rr

- the phenotype ratio will be  (3 pink : 1 white)

- the genotype ratio will be  [1 (RR) : 2 (Rr) : 1 (rr)]..


hichkok12 [17]3 years ago
4 0

RR Rr rr

1:2:1


Hope this helps

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