Higher Biology: Plant and Animal Breeding

In plant field trials, controls are needed to

A new breed of F1 hybrids can be maintained by

A purpose of selective breeding of a population is to increase the frequency of

F1 hybrids are not mated together because their offspring will be

Inbreeding depression is the reduced fitness caused by

Genetic modification of a crop plant would not involve the modification of its

Inbreeding involves mating with

This is not a desirable feature of crop plants

Cross breeding in food production is the mating of

Outbreeding is mating with a

The offspring of different breeds are called

Deleterious alleles decrease an individual's chances of

F1 hybrid animals usually have the

In plant field trials, the order of treatments in each replicate is randomised in order to