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Genetics And Heredity Week 2 Vocabulary Review
Test Description: Genetics and Heredity
Instructions: Answer all questions to get your test result.
1) The form of the gene that is expressed (shown in an organism; a capital letter is used to represent the trait
A
Dominant Allele
B
Recessive Allele
C
Phenotype
D
Genotype
2) The form of the gene that can be hidden (not expressed) when a dominate gene is present; a lower case letter is used to represent the trait.
A
Dominant Allele
B
Genotype
C
Phenotype
D
Recessive Allele
3) The combination of two alleles of the gene for a trait (the letters for the genes).
A
Dominant Allele
B
Genotype
C
Recessive Allele
D
Homozygous
4) The physical appearance or characteristics as a result of its combination of genes (what it looks like).
A
Recessive Allele
B
Dominant Allele
C
Phenotype
D
Genotype
5) An individual organism that has two alleles that are the same for a trait; also called a pure bred; use two letters of the same size.
A
Homozygous
B
Phenotype
C
Heterozygous
D
Genotype
6) An individual organism that has two different alleles for a trait; also called a hybrid use two letters of different sizes.
A
Phenotype
B
Genotype
C
Homozygous
D
Heterozygous
7) Tall stem height in pea plants is a _____ for the height trait.
A
Recessive Allele
B
Genotype
C
Phenotype
D
Dominant Allele
8) A _____ is represented by a lower case letter.
A
Dominant Allele
B
Recessive Allele
C
Heterozygous
D
Homozygous
9) Two lowercase letters like (tt) is the _____ for the short stem trait in pea plants.
A
Genotype
B
Homozygous
C
Heterozygous
D
Phenotype
10) A tabby coat color for cats is just one ______ for coat color and is represented as a bb genotype.
A
Homozygous
B
Genotype
C
Phenotype
D
Heterozygous
11) When both the dominant and recessive traits are present, for example Rr, then the genotype is _____ for the trait.
A
Recessive Allele
B
Homozygous
C
Dominant Allele
D
Heterozygous
12) When the dominant fur color for rabbits is black and the genotype is BB, the animal is _____ for black fur color.
A
Dominant Allele
B
Homozygous
C
Recessive Allele
D
Heterozygous
*select an answer for all questions
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