An ordered display of the pairs of chromosomes is called a(n):

• A. karyotype
• B. pedigree
• C. genotype
• D. phenotype

Answer: (A)

Verified step by step guidance

1. Understand the definitions of each term given in the options:
2. A 'karyotype' is an ordered display of the pairs of chromosomes arranged by size, shape, and number.
3. A 'pedigree' is a chart that shows the inheritance pattern of a trait through generations in a family.
4. A 'genotype' refers to the genetic makeup of an organism, specifically the alleles present.
5. A 'phenotype' is the observable physical or biochemical characteristics of an organism, determined by genotype and environment.