The inheritance of a trait in humans is best described as being determined by
A a single allele.
B one or more pairs of alleles.
C one pair of chromosomes.
D the sex chromosomes of the offspring.


Sagot :

The inheritance of a trait in humans is best described as being determined by

A a single allele.

B one or more pairs of alleles.

C one pair of chromosomes.

D the sex chromosomes of the offspring.

The answer is letter B.  

  • Heritage is the process through which genetic  information is transmitted from parent to child.  It is for this reason that members of  the same family appear to have similar properties.

  • Do we  have 2 genomes?  
  • Each of our parents  obtains one copy of our genome  

  • Inheritance explains how genetic material  is passed from one parent to another.  

What is a genotype?

  • The genotype is a summary  of a single individual's genetic makeup.  Can it be used to characterize a whole  genome, or only a single gene and its alleles?  
  • Human genotype  affects the phenotype?.  
  • For example, when we talk about the eye color genotype, we may assume  that an person has a brown eye allele (B) and a blue eye allele (b).  
  • The phenotype of individuals  may result in brown eyes.

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