Read the statements. In eukaryotic organisms, genes usually consist of two alleles. The two alleles are often on different parts of the same chromosome.

These sentences contain incorrect information. Which option describes the mistake?

a. In eukaryotic organisms, the two alleles of the gene are joined end to end on the same chromosome. In eukaryotic organisms, the two alleles of the gene are joined end to end on the same chromosome.

b. In eukaryotic organisms, genes usually consist of a single allele. In eukaryotic organisms, genes usually consist of a single allele.

c. In eukaryotic organisms, genes are usually spread over four or more chromosomes. In eukaryotic organisms, genes are usually spread over four or more chromosomes.

d. In eukaryotic organisms, the two alleles of the gene are on different chromosomes.

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody