Plant and animal breeding is used to improve characteristics to help support ____ food production. Breeders develop crops and animals with higher ____ yields, higher ____ values, pest and disease ____ and ability to ____ in particular environmental conditions. In inbreeding, selected ____ plants or animals are bred for several generations until the population breeds ____ to the desired type due to the elimination of ____. A result of inbreeding can be an increase in the frequency of individuals who are ____ for recessive ____ alleles. These individuals will do ____ at surviving to reproduce. This results in inbreeding ____. In cross breeding, new ____ can be introduced to plant and animal lines by crossing a cultivar or breed with an individual with a ____, desired genotype. In cross breeding the two ____ breeds can be maintained to produce more crossbred animals showing the ____ characteristic. In plants, F1 hybrids, produced by the crossing of two ____ inbred lines, create a relatively uniform ____ crop. F1 hybrids often have increased ____ and yield. These plants with may have increased ____ resistance or ____ growth rate.

Breeding - fill in the missing word

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