Question

Maximum height of a plant is 30ft. and minimum height is 10 ft. If plant height is controlled by 3 pairs of genes, then the height of plant with genotype AaBbCc will be -------------
(1) 13.2 ft.
(2) 23.2 ft.
(3) 16.6 ft.
(4) 19.9 ft.

Answer 1

Answer:

1.) 13.2 is the answer of your question.

Answer 2

Maximum height = 30 ft

Minimum height = 10 ft

Controlled height = 3 pairs of genes.

Plant Height with genotype  AaBbCc = ?

Answer: Option (4)

Solution:

Subscription of each polygene = (Maximum height - Minimum height) / No. of polygene

$= (30 - 10) / 6$

= 3.3

Subscription of dominant polygene in plant having genotype AaBbCc

$= 3.3 \times 3$

= 9.9

Height of plant with genotype AaBbCc = Minimum height + Subscription of dominant polygene  

$= 10 + 9.9 = 19.9 cm$

So, Height of plant with genotype AaBbCc will be  19.9 ft.

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