Choose the correct answer from the alternatives given.

Andalusian fowls have two pure forms black and white, If black forms (BB) and white forms (WW) are crossed, $F_{1}$ individuals appear blue coloured (BW), due to incomplete dominance. Which of the following would be an outcome of a cross between black form and blue form?

1 Black : 2 Blue : 1 White

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2 Black : 1 Blue

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1 Black : 2Blue

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1 Black : 1 Blue

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Solution

The correct option is B 1 Black : 1 Blue
The cross between blue (BW) and black (BB) forms can be shown as:
Thus, black and blue individuals are produced in the ratio of 1: 1.

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Similar questions

F - 2

F_{2}

The six faces of a cube are coloured black, brown, green, red, white and blue.

(i) Red is opposite to black

(ii) Green is between red and black

(iii) Blue is adjacent to white

(iv) Brown is adjacent to blue

(v) Red is at the bottom

Which of the following can be deduced from (i) and (v)?

The elements of sets A , B and C are all colours as follows:

A = { Red , Orange , Yellow , Brown } ,

B = { Blue , Yellow , Green , Brown } ,

C = { Black , Brown , White , Grey }

Then, A U B U C is

F_{2}

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