Genetics Glossary - VGL Vocab Quiz

An alternate version of a gene

The building blocks of proteins

A protective barrier in the brain

<p>Non-sex chromosomes</p> Signup and view all the answers

<p>An organism possessing one copy of a recessive allele</p> Signup and view all the answers

<p>Alleles</p> Signup and view all the answers

<p>The presence of at least two different complete diploid sets of DNA that originated from more than one zygote</p> Signup and view all the answers

<p>It specifies the synthesis of a single amino acid during the translation of mRNA to protein</p> Signup and view all the answers

<p>Co-dominance results in the expression of both alleles equally, while incomplete dominance results in the blending of phenotypes</p> Signup and view all the answers

<p>Genetic variations that arise in a reproductive cell or the fertilized egg, and are absent from both parents’ DNA</p> Signup and view all the answers

<p>A variant of a pigmentation gene that lightens the coat color of an animal</p> Signup and view all the answers

<p>Traits with complete penetrance will be expressed in all individuals possessing the causal allele</p> Signup and view all the answers

<p>An organism with two different mutant alleles at the same genetic locus, one on each chromosome</p> Signup and view all the answers

<p>A type of mutation in which part of the DNA sequence is lost</p> Signup and view all the answers

<p>Two fertilized eggs fusing early during gestation or twins exchanging cells</p> Signup and view all the answers