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The F1 progeny in monohybrid crosses by Mendel resembled:

1. The parent exhibiting the dominant trait completely
2. The parent exhibiting recessive trait comp
3. The parent exhibiting the dominant trait partly
4. The parent exhibiting recessive traits partly
Subtopic:  Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
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Genes that code for a pair of contrasting traits or slightly different forms of the same gene are known as:

1. Alleles 2. Loci
3. Cistrons 4. Introns
Subtopic:  Monohybrid Cross: Further Understanding |
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A test cross is done to find out:

1. Fitness of an organism
2. Genotype of a plant expressing dominant phenotype
3. The suitable parents for a Mendelian Cross
4. The hidden genotypic ratio of F2 phenotypes
Subtopic:  Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
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What is the ratio of a typical monohybrid test cross?

1. 2 : 1 2. 3 : 1
3. 1: 2 : 1 4. 1 : 1
Subtopic:  Monohybrid Cross: Further Understanding |
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What is the F2 phenotypic ratio in cases of incomplete dominance?

1. 1 : 1 2. 3 : 1
3. 1 : 2 : 1 4. 1 : 1
Subtopic:  Monohybrid Cross: Further Understanding |
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A gene is said to be dominant if:

1. It expresses its effect only in the homozygous stage
2. It expresses only in heterozygous condition
3. It expresses both in homozygous and heterozygous conditions
4. It is never expressed in any condition
Subtopic:  Monohybrid Cross: Further Understanding |
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Level 1: 80%+
AIPMT - 2002
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