Question

question 1
3 pts
this is the basic physical and functional unit of heredity
genes
blood cells
chromosomes
ygotes

Explanation:

Genes carry genetic information and are responsible for passing traits from parents to offspring, making them the basic physical and functional units of heredity. Blood cells are part of the circulatory - system and not units of heredity. Chromosomes are structures that contain genes. A zygote is a fertilized egg cell formed by the union of a sperm and an egg.

Answer:

Genes