Which statements by a student would indicate to the nurse educator an understanding of genes and chromosomes?
Note: Credit will be given only if all correct choices and no incorrect choices are selected.
Standard Text: Select all that apply.
1. "Genes are the basic unit of heredity."
2. "Genes are made up of many chromosomes."
3. "Genes create specific proteins."
4. "Normal heredity requires that genes be in a specific place on a chromosome."
5. "The sequences in which genes appear on the chromosome are random and not significant."
1,3,4
Rationale 1: Chromosomes consist of genes, which are the true basic units of heredity.
Rationale 2: Chromosomes are made up of genes.
Rationale 3: A gene is a segment of DNA whose purpose is to create a specific protein. These proteins affect the development of cells.
Rationale 4: Genes occupy specific parts of the chromosome. If a gene is not in the right place, genetic abnormalities result.
Rationale 5: The sequencing of the genes determines heredity.
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