Concept explainers
The genetic makeup of an organism is called its _____, and the physical traits of an organism are called its ______.
To analyze:
The genetic makeup of an organism and the physical traits of an organism.
Introduction:
The genotype consists of the genes that define the genetic composition of an organism. The phenotype consists of the external visible characteristics of the organism.
Answer to Problem 1SQ
Correct Answer:
The genetic makeup of an organism is called its genotype, and the physical traits of an organism are called its phenotype.
Explanation of Solution
The genotype consists of the entire genetic composition of the organism and it includes the genes (sequence of nucleotides). The example of genotypes includes genes for eye, hair, and nose development. The phenotype is the external expression of the physical traits of the organism. They are the external visible features of the organism. The examples of phenotype include eye color, hair color, and skin color.
The genotype consists of the genes of the organism. The phenotype consists of the external visible characteristics of the person.
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Chapter 9 Solutions
Campbell Essential Biology (7th Edition)
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- Cytology is the study of individual cells of the body, as opposed to histology which is the study of whole human tissue itself. The question is How did developments in cytology in the nineteenth century contribute to our modern understanding of genetics? Explain your answer.arrow_forwardTrue or false: each human child, other than identical twins, is genetically uniquearrow_forwardGENETICS - Physical Basis of Heredity - Answer C and D only.arrow_forward
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning