What is the characteristic feature of haplodiploid sex determination?

    1. Males produce sperms by mitosis
    2. Number of sets of chromosomes present in progenies will decide their sex
    3. Workers will have diploid set of chromosomes.
    4. Drones will have haploid set of chromosome.
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Colour Blindness is ------- due to defect in either----- or---- ------ of eye.

    1. Sex-linked recessive disorder, red, orange rods
    2. Sex-linked dominant disorder, red, green rods
    3. Sex-linked dominant disorder, red orange cones
    4. Sex-linked recessive disorder, red , green cones
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In case of Pea plant, grey seed colour (G) is dominant to white (g). If the progenies are formed in the following phenotypic ratio, find the genotypes of parents.

Grey was crossed with white, 49 grey and 54 white were formed. The genotype of the grey parent will be

    1. Gg
    2. GG
    3. gg
    4. gG
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In case of Pea plant, grey seed colour (G) is dominant to white (g). If the progenies are formed in the following phenotypic ratio, find the genotypes of parents.

Grey was crossed with white, 82 grey and 0 white were formed. The genotype of the grey parent will be

    1. Gg
    2. GG
    3. gg
    4. gG
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Grey was crossed with white. 5 grey and 0 white were formed. The genotype of the grey parent will be

    1. Gg
    2. GG
    3. Both a and b
    4. gg
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What is the number of different kind of gametes formed by the genotype- AaBbCcDdEE?

    1. 16
    2. 32
    3. 8
    4. 64
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What is the type of gametes  formed if the organism with genotype- AaBbCcDdEE is selfed?

    1. 16
    2. 32
    3. 8
    4. 64
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If two parents with AaBBccdd and aaBbccdd were crossed. What is the probability of getting following genotypes:

AaBbccdd

AABbccdd

    1. ¼, 0
    2. 0, ½
    3. ½ , ¼
    4. 0, 0
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If two parents with AaBBccdd and aaBbccdd were crossed. What is the probability of getting following genotypes:

AaBBccddd , aaBbccdd , AaBbccdd and aaBBccdd

    1. 1:1:2:1
    2. 1:1:1:1
    3. 1:2:1:2
    4. 2:1:1:1
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If two parents with AaBBccdd and aaBbccdd were crossed. What is the ratio of the genotype of F1 generation:

    1. 1:1:1:1
    2. 1:2:3:1
    3. 1:1:1:2:3:1:1
    4. 1:3:2:1
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