Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 24, Problem 2TYU
Summary Introduction

Introduction:

Reproductive isolation” can be defined as the occurrence of biological barriers that hamper the production of viable, fertile offspring between the members of two species.

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ADJUST Negative assortative mating means that organisms choose mates that are different from themselves. If negative assortive mating occurs in a population, what would expect to happen to genotype frequency over generations? O a) Frequency of the heterozygous genotype will increase. b) Frequency of the homozygous genotypes will decrease. O c) Frequency of the homozygous genotypes will increase. O d) Both A and B AUTO ||||||||| Cancel Revert
Decide whether each of the following scenarios would lead to prezygotic or postzygotic reproductive isolation: a) Dragonflies from two different populations have genitals that do not match, so they can't mate successfully [Select ] b) Two different species of fish have very different courtship displays, but they can mate and produce a non-fertile offspring [Select] c) One species of plant flowers in the winter, while another flowers in early spring [ Select ] d) The gametes of two tree species can fuse, but a zygote does not form [ Select ] e) A mountain range separates two populations of snakes I Select]
Negative assortative mating means that organisms choose mates that are different from themselves. If negative assortive mating occurs in a population, what would expect to happen to genotype frequency over generations? a) Frequency of the heterozygous genotype will increase. b) Frequency of the homozygous genotypes will decrease. c) Frequency of the homozygous genotypes will increase. O d) Both A and B
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