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TEAS 7 Science TEAS 7 Science Practice Test 1 What is the name for the physical presen...

What is the name for the physical presentation of an organism's genes?

A. Phenotype

B. Species

C. Phylum

D. Genotype

Answer Explanation:

Phenotype is the physical presentation of an organism's genes. In other words, the phenotype is the physical characteristics of the organism. Phenotype is often contrasted with genotype, the genetic makeup of an organism. The genotype of the organism is not visible in its presentation, although some of the characteristics encoded in the genes have to do with physical presentation. A phylum is a group of classes that are closely related. A species is a group of like organisms that are capable of breeding together and producing similar offspring.

Therefore, the Correct Answer is A.

More Questions on TEAS 7 Science

  • Q #1: Which section of the digestive system is responsible for receiving chyme and further digesting it?

    A. The large intestine

    B. The duodenum

    C. The jejunum

    D. The gallbladder

    Answer Explanation

    The duodenum is the first section of the small intestine. It receives partially digested food (also called chyme) from the stomach, further digesting it with the help of enzymes released by the gall bladder. Then, the food enters into the jejunum, then the ileum. The large Intestine's main function is the reabsorption of water into the body to form solid waste. It also allows for the absorption of vitamin K produced by microbes living inside the large intestine.

  • Q #2: Which of the following does NOT obey the law of independent assortment?

    A. Two genes next to each other on a chromosome

    B. Two genes on opposite ends of a chromosome

    C. Flower color and height in snapdragons

    D. Seed color and flower color in peas

    Answer Explanation

    Two genes next to each other (or within a specified close distance) are said to be linked. Linked genes do not follow the law of Independent assortment because they are too close together to be segregated from each other in meiosis.

  • Q #3: Which of the below is the best definition for the term circulation?

    A. The transport of oxygen and other nutrients to the tissues via the cardiovascular system

    B. The force exerted by blood against a unit area of the blood vessel walls

    C. The branching air passageways inside the lungs

    D. The process of breathing in

    Answer Explanation

    Circulation is transporting oxygen and other nutrients to the tissues via the cardiovascular system. Choice B refers to blood pressure. Bronchi are the branching airways inside the lungs, while inhalation refers to the process of breathing in.

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