Answer :
Final answer:
Traits are inherited through genetic material, with alleles from parents determining offspring traits. Codominance, incomplete dominance, and complete dominance are different inheritance patterns. To increase the fire-breathing trait in dragons, selective breeding of dragons exhibiting the trait is necessary.
Explanation:
Traits are passed from parents to offspring through the inheritance of genetic material. Each parent contributes genetic information in the form of alleles, which are variations of a gene. Offspring inherit one allele from each parent, resulting in a unique combination that determines their traits.
Codominance, incomplete dominance, and complete dominance are different modes of inheritance. In codominance, both alleles are fully expressed, such as in blood type AB. In incomplete dominance, a blending of traits occurs, like in snapdragon flowers where red and white flowers create pink offspring. Complete dominance follows Mendelian rules, where one allele completely masks the other, seen in pea plants with purple and white flowers.
To increase the frequency of the fire-breathing trait in dragons, a genetic engineer could selectively breed dragons that exhibit this trait, ensuring that more offspring inherit the gene responsible for fire breathing. By breeding dragons with the desired trait, over generations, the frequency of the fire-breathing trait can be augmented.
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