Being a well-rounded geneticist, you also maintain a colony of chickens. In a cross between a female chicken from a true-breeding strain with three toes per foot and a male from a true-breeding strain with seven toes per foot, all of the F1 progeny have five toes per foot.

Based on the information that toe counts should appear in the F2 generation and at what frequencies?

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#Question id: 12625

#Unit 6. System Physiology – Plant

Precursor of strigolactone biosynthesis  is___

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#Question id: 1247

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT true about the role of adapter proteins in the activation of Ras by receptor tyrosine kinases?

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#Question id: 3922

#Unit 3. Fundamental Processes

The σ70 subunit in E. coli RNA polymerase acts as a/an __.

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#Question id: 4880

#Unit 8. Inheritance Biology

There is following normal gene and their restriction site are given

 Mutant phenotype due to mutation that alters EcoRI site 1 occurs in this piece of DNA. There is following analysis of different band in their family (+ present , - absent) 

Visible band	Male Parents I	Female Parents II	Son  ( affected )	Daughter  ( normal)
2 Kb	+	+	-	+
4 Kb	+	+	-	+
5 Kb	+	+	+	+
6 Kb	-	+	+	+

 Which of the following is mode of inheritance of trait?

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#Question id: 7143

#Unit 5. Developmental Biology

The development of drugs to block the activity of vascular endothelial growth factor (VEGF) has been applied to the control of the growth of cancers. What is the rationale for such a strategy?