Sexual dimorphism (SD) is a pattern that is seen throughout the animal kingdom and differences between the sexes in coloration are common in many organisms. Following some statement are given

A) There are many mechanisms that drive the evolution of SD, the most accepted mechanism being sexual selection

B) Mate choice is an important proximate mechanism of sexual selection, often the sex with the higher reproductive investment is the ‘choosy’ sex

C) Larger species are more sexually dimorphic than smaller species

D) Terrestrial species tend to be more sexually dimorphic than arboreal species

Which of the following above statement is correct?

Which one of the following is correct?

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#Question id: 28923

#Unit 4. Cell Communication and Cell Signaling

Which of the following are seven TM α helices and is a member of the GPCR Superfamily?

a) RYK and ROR

b) Smoothened (Smo)

c) Patched (Ptc)

d) Frizzled (Fz)

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#Question id: 15235

#Unit 13. Methods in Biology

During the casting of polyacrylamide gel acrylamide and bis-acrylamide are joined by 

A) Free radical catalysis

B) Polymerisation reaction

C) Dehydration reaction

D) Condensation reaction

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#Question id: 7108

#Unit 5. Developmental Biology

Relative to the primitive streak and Henson's node, somite formation in the chick embryo occurs:

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#Question id: 5444

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

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#Question id: 5562

#Unit 5. Developmental Biology

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.