Recombinant Genetics and Heredity Quiz

DNA (Deoxyribose Nucleic Acid)

Most DNA is located in the cell nucleus, but a small amount of DNA can also be found in the mitochondria.

1. A sugar (ribose), 2. A phosphate molecule, and 3. A nitrogenous base.

<p>The four nitrogenous bases found in DNA are: 1. Adenine, 2. Thymine, 3. Cytosine, and 4. Guanine.</p> Signup and view all the answers

<p>Human body cells (somatic cells) have 46 chromosomes, while human reproductive cells (sex cells) have 23 chromosomes.</p> Signup and view all the answers

<p>Genes are arranged on a chromosome in order, one next to another, much like beads on a necklace.</p> Signup and view all the answers

<p>Genetics is the science that deals with heredity and the factors affecting transmission of characteristics from one generation to another.</p> Signup and view all the answers

<p>The zygote is the first cell of a new organism, formed from the union of an egg cell and a sperm.</p> Signup and view all the answers

<p>The genes are located on the chromosomes, which are threadlike parts found in the nucleus of a cell.</p> Signup and view all the answers

<p>Biological traits are passed as chemical messages in the chromosomes encoded on DNA molecules.</p> Signup and view all the answers

<p>DNA serves as a blueprint of life, carrying the genetic information that determines the traits of an organism.</p> Signup and view all the answers

<p>People notice that children have certain traits or qualities that resemble those of their parents.</p> Signup and view all the answers