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Genetics Vocabulary #1
Test Description: Basic vocabulary for heredity and genetics.
Instructions: Answer all questions to get your test result.
1) An organism's physical characteristics are called
A
traits
B
heredity
C
purebred
D
genetics
2) The passing of traits from parents to offspring is called
A
traits
B
genetics
C
dominant
D
heredity
3) Gregor Mendel is known as the Father of ________________, the study of heredity.
A
Genetics
B
Traits
C
Alleles
D
Genotype
4) A ____________________ plant is one that always produces offspring with the same form of a trait as the parent.
A
purebred or true-breeding
B
hybrid
C
recessive
D
heterozygous
5) Different forms of genes are called
A
recessive
B
dominant
C
alleles
D
traits
6) Factors that control traits are called
A
interdominant
B
hybrid
C
genes
D
codominance
7) An organism's ________________ is its genetic make-up or allele combination. (Example, Aa, AA, aa)
A
genetics
B
genotype
C
heterozygote
D
phenotype
8) An organism that has two identical alleles for a trait is said to be ____________. (Example AA, aa)
A
recessive
B
dominant
C
heterozygous
D
homozygous
9) An organism that has two different alleles for a trait is said to be _________. (Example Aa)
A
dominant
B
recessive
C
heterozygous
D
homozygous
10) In __________, the alleles are neither dominant or recessive, and both alleles are expressed in the offspring. (Example - blue fish + yellow fish = blue fish with yellow spots)
A
codominance
B
complete dominance
C
incomplete dominance
D
recessive
*select an answer for all questions
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