* Entic makeup: This phrase isn't standard biological terminology. It sounds like you might be referring to an organism's phenotype, which is the observable characteristics of an organism. This includes physical traits like eye color, height, and even behavioral traits.
* Combination of genes: This refers to an organism's genotype, which is the specific set of genes it carries. These genes are inherited from its parents and code for various traits.
The key relationship is that an organism's genotype (genes) determines its phenotype (observable traits). Here's how it works:
1. Genes provide instructions: Genes are segments of DNA that contain instructions for building and maintaining an organism. These instructions determine the production of proteins, which influence a wide range of traits.
2. Genes interact with the environment: While genes are the blueprint, the environment also plays a role in shaping an organism's phenotype. Factors like nutrition, sunlight, and even social interactions can affect how genes are expressed.
3. Combinations create diversity: Each gene can have multiple versions called alleles. The combination of alleles an organism inherits from its parents determines its genotype. This variation in genotype is a major driver of the diversity we see in organisms.
For example:
* Eye color: Genes influence the production of pigments in the iris. Different combinations of alleles lead to different eye colors (brown, blue, green, etc.).
* Height: Multiple genes contribute to height, and their interactions, along with environmental factors like nutrition, determine an individual's final height.
Let me know if you have any more questions about genes, phenotypes, or inheritance!