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Q. No.AB blood group shows :
1. Co-dominance
2, Incomplete dominance
3. Polygenic inheritance
4. Pleiotropy
Subtopic: Co-dominance |
91%
From NCERT
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The trisomy for 21st chromosome is called
1. Down's syndrome
2. Turner’s syndrome
3. Sickle cell anaemia
4. Klinefelter's syndrome
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
86%
From NCERT
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Subtopic: Non - Disjunction & Aneuploidy |
77%
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A man of blood group-A marries a woman of blood group-AB, which type of progeny would indicate that man is heterozygous?
1. O
2. B
3. A
4. AB
1. O
2. B
3. A
4. AB
Subtopic: Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
59%
From NCERT
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Chromosomes complement with \(2n-1\) is called as:
1. monosomy
2. nullisomy
3. trisomy
4. tetrasomy
1. monosomy
2. nullisomy
3. trisomy
4. tetrasomy
Subtopic: Non - Disjunction & Aneuploidy |
87%
From NCERT
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A man of ‘A’ blood group marries a woman of ‘AB’ blood group. Which type of progeny would indicate that man is heterozygous?
1. O
2. B
3. A
4. AB
1. O
2. B
3. A
4. AB
Subtopic: Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
79%
From NCERT
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X-linked recessive gene is
1. always expressed in male
2. always expressed in female
3. lethal
4. sub lethal
1. always expressed in male
2. always expressed in female
3. lethal
4. sub lethal
Subtopic: Mendelian Disorders |
69%
From NCERT
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Subtopic: Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
76%
From NCERT
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1 : 2 : 1 phenotypic and genotypic ratio is found in
1. complementary genes
2. incomplete dominance
3. multiple alleles
4. pseudo alleles
1. complementary genes
2. incomplete dominance
3. multiple alleles
4. pseudo alleles
Subtopic: Monohybrid Cross: 1 |
74%
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A group of geneticists are trying to figure out the dominance hierarchy for a newly discovered plant. They have found that when a truebreeding red plant is crossed with a truebreeding blue plant, the resulting offspring are purple. What is the most likely explanation for this result?
1. Red is the dominant allele
2. Blue is the dominant allele
3. Incomplete dominance
4. Codominance
1. Red is the dominant allele
2. Blue is the dominant allele
3. Incomplete dominance
4. Codominance
Subtopic: Monohybrid Cross: 1 |
80%
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