In some goats, the presence of horns is produced by an autosomal gene that is dominant in males and recessive in females. A horned female is crossed with a hornless male. The F1 offspring are intercrossed to produce the F2. What proportion of the F2 offspring will have horns?

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#Question id: 1170

#Unit 4. Cell Communication and Cell Signaling

A gain-of-function mutation in which of the following would promote malignancy in cells whose proliferation is inhibited by TGFβ?

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#Question id: 15274

#Unit 13. Methods in Biology

Eukaryotic mRNA species are isolated by using

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#Question id: 26970

#Unit 10. Ecological Principles

There are some given Density independent factors, except?

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#Question id: 3984

#Unit 3. Fundamental Processes

Which of the following statements about regulation of the lac operon is true?

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#Question id: 17286

#Unit 13. Methods in Biology

Consider the following grouped frequency distribution :

 

What is the median of the distribution ?