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

Subtopic:  Monohybrid Cross: 1 |
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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
Subtopic:  Dihybrid Cross: Details |
 78%
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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
Subtopic:  Dihybrid Cross: Details |
 68%
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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
Subtopic:  Dihybrid Cross: Details |
 72%
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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
Subtopic:  Dihybrid Cross: Details |
 77%
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If the offspring is aa, what possible combination of parental genotype would have produced these progenies?

(1) AA and aa

(2) Aa and AA

(3) aa and AA

(4) Aa and Aa

Subtopic:  Monohybrid Cross: 1 |
 88%
From NCERT
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In corn plant, the allele for tall plant (T) is dominant to small plant (t) and coloured seed (C) is dominant to (c). In a particular cross, the probability of offspring being tall is ½ and being coloured is ¾, which of the following will produce such progeny?

    1. TTCc and ttCc
    2. TTCc and TtCc
    3. TtCc and ttCc
    4. TTCC and ttCC
Subtopic:  Dihybrid Cross: Details |
 70%
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In humans, Albinism (c) is recessive to normal condition (C). If two heterozygous parents have a progeny. What is the probability that it will be albino.

    1. ¾
    2. ½
    3. ¼
    4. 1
Subtopic:  Dihybrid Cross: Details |
 73%
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If a normal child is born to normal parents who are heterozygous for albinism. What is the probability of normal child being heterozygote?

    1. 2/3
    2. 1/4
    3. 1/2
    4. 1/6
Subtopic:  Dihybrid Cross: Details |
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If normal parents have an albino, what is the probability that their next child will be normal?

    1. ¾
    2. ½
    3. 1/3
    4. 1/5
Subtopic:  Dihybrid Cross: Details |
 60%
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