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Genetics Vocabulary 1
Test Description: Vocabulary for the unit on genetics.
Instructions: Answer all questions to get your test result.
1) Genetic factor that blocks another genetic factor.
A
recessive trait
B
incomplete dominance
C
dominant trait
D
hybrid
2) Study of how traits are passed from parents to offspring.
A
Punnett square
B
meiosis
C
genetics
D
heredity
3) Passing of traits from parents to offspring.
A
Punnett square
B
meiosis
C
heredity
D
genetics
4) Offspring of two plants or animals with different forms of the same trait.
A
hybrid
B
nucleotide
C
replication
D
mutation
5) Genetic factor that is blocked by the presence of a dominant factor.
A
recessive trait
B
conclude
C
dominant trait
D
incomplete dominance
6) Different form of a gene.
A
allele
B
RNA
C
mutation
D
nucleotide
7) Occurs when both alleles can be observed in the offspring's phenotype.
A
homozygous
B
heterozygous
C
codominance
D
incomplete dominance
8) Section on a chromosome that has genetic information for one trait.
A
gene
B
DNA
C
phenotype
D
sister chromatid
9) Two alleles that control the phenotype of a trait.
A
genotype
B
polygenic inheritance
C
codominance
D
dominant trait
10) Having two different alleles of a gene.
A
phenotype
B
codominance
C
dominant trait
D
heterozygous
11) Occurs when the offspring's phenotype is a blend of the parents’ phenotypes.
A
phenotype
B
dominant trait
C
incomplete dominanace
D
heterozygous
*select an answer for all questions
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