Question

a trait is a feature or quality of an organism. all organisms have a unique set of traits that they inherit from their parents. each parent supplies one half of the ______ needed to determine the traits of their offspring
a centromeres
b chromosomes
c karyotypes
d

Explanation:

• Centromeres are regions of chromosomes, not the entire hereditary units.
• Chromosomes carry genetic information. Each parent contributes half of the chromosomes (23 in humans) to their offspring, which determine traits.
• Karyotypes are the visual representations (like the image) of an individual's chromosomes, not the actual hereditary material.
• Nuclei are cell structures that contain chromosomes but are not the specific entities supplied by parents for trait determination.

Answer:

B. chromosomes