About Macadamia Nuts. Macadamia nuts come from the fruit of a large evergreen tree native to eastern Australia. Thousands of years before European settlement, the aborigines of Australia gathered the native nuts from rainforest floors and consumed them as snacks.acadamia nuts come from the fruit of a large evergreen tree native to eastern Australia.
In genetics, Heritability is the proportion of phenotypic variation in a population that is attributable to genetic variation among individuals. Variation among individuals may be due to genetic and/or environmental factors.... Full article >>>.
First a few definitions: variation: any differences between individual organisms. mutation: a random change in the organisms DNA. adaptation: an inherited characteristic that increases an organisms fitness. Adaptations occur because all species have variation in their traits (brought on by random mutations).