
Genetics Vocabulary
Quiz by Robert Oliver
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20 questions
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- Q1The passing of traits from parent to offspring
DNA
Translation
Transcription
Heredity30s - Q2A threadlike structure found in the nucleus that contains genetic information (DNA)
RNA
chromosomemitochondria
histone
30s - Q3deoxyribonucleic acid
RNA
DRN
DBA
DNA30s - Q4spiral ladder shape (the shape of DNA)
histone
alpha helix
double helixmRNA
30s - Q5A segment of DNA on a chromosome that codes for a specific trait
Amino Acid
GeneHistone
Protein
30s - Q6Different forms of a gene (Examples for the hair color gene would be black, blonde, brown or red)
histone
genome
genotype
Allele30s - Q7An organism's genetic makeup, or allele combinations.
Phenotype
GenotypeChromosome
Traits
30s - Q8An organism's physical appearance, or physical expression of its genes.Phenotype
Genotype
Transcription
Genome
30s - Q9a trait that will be expressed regardless of the other allele that is present. It is represented with a capital letter.
Recessive trait
Inherited trait
Dominant traitCodominant trait
30s - Q10a trait that is expressed only when two of the same allele is inherited. It is not expressed if there is a dominant allele. It is represented with a lower case letter.
Inherited trait
Recessive traitCodominant trait
Dominant trait
30s - Q11An organism that has two identical alleles for a trait (two dominant or two recessive)homozygous
parent
heterozygous
offspring
30s - Q12An organism that has two different alleles for a trait
parent
homozygous
heterozygousoffspring
30s - Q13the DNA sequence in a gene is copied into mRNA
translation
transcriptionprotein synthesis
heredity
30s - Q14A building block of DNA, a sugar, a phosphate and a nitrogen base
histone
amino acid
chromosome
nucleotide30s - Q15building blocks of protein
nucleotide
mRNA
histone
amino acid30s