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Earn 100

What is continuous variation and example?

Important Questions on Genetics and Evolution (AHL)

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The phenotypic ratio obtained in quantitative inheritance of a dihybrid cross is:

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If tall (T) is dominant over dwarf (t) and round seeds (R) is dominant over wrinkled seeds (r) and the genotype is tt Rr, then the phenotype would be:

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Monohybrid cross in F2 generation yields _____ number of genotypes.
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Polygenic inheritance

A. Traits are spread across a gradient.

B. Takes into account the influence of the environment.

C. The phenotype reflects the contribution of each allele and the effect of each dominant allele is additive.

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The crossing of a homozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of
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If a pure tall plant is crossed with a dwarf plant, the phenotype of offspring will be?
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Which of the following show continuous variation in a population?
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Correct the sentences, if required, by changing the underlined word(s) only:

Monohybrid cross in F2 generation yields _____ number of phenotypes.

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Two laws of inheritance proposed by Mendel are
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When an individual with heterozygous dominant Aa is crossed with the homozygous dominant AA, the phenotypic ratio of the offspring will be progeny will be
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A mulatto man (AaBb) is married to a white woman. Find the possible phenotypic ratio in their progeny.

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When two genes are situated very close together in a chromosome
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A typical phenotypic monohybrid ratio of F2, in Mendel’s experiment is
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When mulatto female individual marries with very light (albino) male, the percentage of very light offspring will be

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The name of scientist often coined with linkage is _____.      
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If tall (T) is dominant over dwarf (t) and round seeds (R) is dominant over wrinkled seeds(r), the genotype of a true breeding tall plant with wrinkled seeds would be
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 In a dihybrid cross, the phenotypic ratio is _____.
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In a cross between AaBB and aaBB, the genotypic ratio in F1 generation will be _____.
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In a pea plant the gene T for tallness is dominant over the gene for dwarfness. If two heterozygous individuals are crossed,
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In pea plants, yellow seeds are dominant over green. If the heterozygous yellow-seeded plant is crossed with the green-seeded plant, what ratio of the yellow and green seeded plant would you expect in the F1 generation?