AP BIOLOGY

Detailed explanation-1: -A set of observable characteristics of an individual organism is called as phenotype. It is an expression of the set of genes responsible to control that trait. The genes interact with the environment and then express themselves. Eye colour in humans, flower colours and height of plants are examples of phenotypes.

Detailed explanation-2: -A trait, as related to genetics, is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both. Traits can be qualitative (such as eye color) or quantitative (such as height or blood pressure).

Detailed explanation-3: -Height, eye color, and skin color are some of the traits of a living organism.

Detailed explanation-4: -Answer and Explanation: Traits like colour of eye, behavior of a person, colour of hair etc. are guided by the sequences present in DNA and hence traits determine the characteristics of an organism.

Detailed explanation-5: -A trait is defined as a state of character, which is a distinctive variety of a phenotypic characteristic of an organism, whereas a character is an identifiable feature that aids in the identification of the organism. Answer. A trait is a unique variation of an organism’s character.