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Oxford University Press - Online Resource Centres

Stearns & Hoekstra: Evolution 2e

Chapter 08

Instructions

Choose your answers by clicking the radio button next to each choice and then press 'Submit' to get your score.

Question 01

What is the main evolutionary relevant difference between sexual and asexual reproduction?

Question 02

What is the difference between a diplontic and a haplontic life cycle?

Question 03

Why is bacterial conjugation often described as a form of sex, although it differs in many respects from eukaryotic sex?

Question 04

Organisms that can reproduce both sexually and asexually are rare. True or false?

Question 05

What is the ecological distribution pattern of sexual reproduction?

Question 06

What does "anisogamy" mean?

Question 07

Anisogamy is a required for the operation of sexual selection. True or false?

Question 08

Which of the following statements about the evolutionary maintenance of sex is correct?

Question 09

What does the two-fold disadvantage of sex refer to?

Question 10

Sexual recombination can speed up evolution by bringing together beneficial mutations that have arisen in different lines of descent.

Question 11

Muller's Ratchet refers to which of the following mechanisms?

Question 12

Theory predicts that sex will be advantageous in host-parasite interactions. True or false?

Question 13

Do advances in our understanding of the evolution of sex mainly require development of more sophisticated theory, or more experimentation?

Question 14

A sexual genetic system is more vulnerable to the spread of "selfish" genes, than an asexual system. True or false?

Question 15

A pluralistic explanation of sex means: