Quantitative characteristics arise from two phenomena either polygenic or environmental influence on genotype. Which of the following is not character of quantitative polygenic trait?

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#Question id: 15115

#Unit 8. Inheritance Biology

A semi lethal allele is an example of which of the following extensions of Mendelian genetics?

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#Question id: 7248

#Unit 5. Developmental Biology

Planning of the Xenopus mesoderm along the dorso-ventral axis contains an antagonistic relationship between chordin and bmp-4. Is there an analogy here to dorso-ventral patterning in the Drosophila embryo?

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#Question id: 9242

#Unit 9. Diversity of Life Forms

Eutrophication is often caused by excess limiting-nutrient runoff from agricultural fields into aquatic ecosystems. This process results in massive algal blooms that eventually die and decompose, ultimately depleting the dissolved oxygen, killing large numbers of fish and other aquatic organisms. Predict which of the following human actions would best address the problem of eutrophication near agricultural areas?

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#Question id: 1016

#Unit 4. Cell Communication and Cell Signaling

Lyme disease is an example of a disease

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#Question id: 23172

#Unit 13. Methods in Biology

Green fluorescent protein do contains a tripeptide sequence i.e. ser-tyr-gly but it only fluoresce when