The correct option is B.
Chromosomes can be classified as either homozygous or heterozygous based on the similarities between two alleles. A homozygous chromosome refers to a chromosome that have identical alleles on both homologous chromosomes. When the trait is dominant, it is represented by two capital letters; when the trait is recessive, it is represented by two lower case letters.
<span>A certain bone is part of the axial skeleton and protects one of the vital organs located in the chest area that is sternum and is also called breast bone and it is like a necktie located at the center of the chest.
so correct option is C
hope it helps</span>
How this flowers structure relates to its function is by the hight and the sizes of its leafs.