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Phenotype of an organism is the result of

Environmental changes and sexual dimorphism
Cytoplasmic effects and nutrition
Mutations and linkages
Genotype and environment interactions
Additional Questions

Excessive growth of hair on the pinna is a feature found only in males because

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The genotype is called a ______ when a person is heterozygous at two different loci.

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Individuals with Down syndrome have ______ copies of chromosome 21.

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The genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by

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When the effects of both alleles are equally expressed in the heterozygote which one of the followings occurs?

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When a tall plant with round seeds (TTRR) crossed with a dwarf plant with wrinkle seeds (ttrr). The F1 generation consists of tall plants with round seeds. What would be the proportion of dwarf plant with wrinkle seeds in F1 generation?

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An individual who has two different alleles of a gene is called ______.

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Nondisjunction may occur due to the failure of ______ chromosomes to separate properly in meiosis I.

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Haploids are more suitable for mutation studies than the diploids. This is because

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Which one of the followings is caused by a recessive allele of a gene on chromosome 7?

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