UNIT 2 BIOL GENETICS KEY WORDS UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS VERIFIED 2027 EDITION
1. DNA
The genetic material that codes for making protein
2. Chromosome
Threadlike structure made of DNA wrapped around histone proteins
3. Gene
A coding section of DNA that codes for a protein (trait)
4. Allele
A variation of a gene.
5. Dominant trait
Only need one copy of the allele for the dominant trait to show that trait
6. Recessive trait
You need two copies of the allele for the recessive trait to show that trait
7. Phenotype
The characteristics or observable traits of an organism which are the result of the genotype and the effect
of the environment
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CORRECT ANSWERS VERIFIED 2027 EDITION
1. DNA
The genetic material that codes for making protein
2. Chromosome
Threadlike structure made of DNA wrapped around histone proteins
3. Gene
A coding section of DNA that codes for a protein (trait)
4. Allele
A variation of a gene.
5. Dominant trait
Only need one copy of the allele for the dominant trait to show that trait
6. Recessive trait
You need two copies of the allele for the recessive trait to show that trait
7. Phenotype
The characteristics or observable traits of an organism which are the result of the genotype and the effect
of the environment
1
