Answer:
A blood test is used to determine whether the A and/or B characteristics are present in a blood sample. It is not possible to determine the exact genotype from a blood test result of either type A or type B. If someone has blood type A, they must have at least one copy of the A allele, but they could have two copies
Explanation:
Chromosome is a threadlike structure present in nucleus .Chromosomes are composed of chromatin and carry the genes in a linear sequence; these determine the individual characteristics of an organism there are 23 pairs of chromosomes out of those one is different. In female it is XXY qnd in males it is xy
I believe glycogen is an example of a complex carbohydrate or polysaccharide.
The answer I would choose is D. Help plants by providing them with sugar
You can tell me if i'm wrong.
The electrons needed by photosystem ii originate from water.