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)
- After a disease gene is __________ approximately,researchers sequence candidate genes in the region toidentify one that is altered consistently in affectedindividualsarrow_forwardDiscuss the correctness of the decision of Bob that the genetics play a little role in its life.arrow_forwardExamples of genetic dataarrow_forward
- True or False: It can be considered that mutations are cause for both disease and evolutionary change in providing variations in alleles.arrow_forwardThe combination of genes present in the cells of anindividual is called the ___________.arrow_forwardNullisomy is a genome mutation where a pair of homologous chromosomes that would normally be present is ______.arrow_forward
- What are two possible explanations for why the same genotype (DNA) can result in different phenotypes (result)arrow_forwardAn individual’s ________ is its genotype. a. genetic composition b. number of chromosomes c. physical appearancearrow_forwardtrue or false:  mutations add to genetic variation by producing new alleles.arrow_forward
- Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage Learning