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Genes Vocabulary
Test Description: Creature Feature Vocabulary
Instructions: Answer all questions to get your test result.
1) Genotype
A
the type of clothing you wear
B
the genetic makeup of an organism
C
the different traits an organism has
D
the physical appearance
2) Phenotype
A
the type of DNA an organism has
B
the genes that are not visible in an organism
C
the physical appearance
D
the parental traits of an organism
3) Alleles
A
traits that are different
B
traits that are only visible if both parents have them
C
the different forms a gene may have for a trait (like eye color or fur color)
D
traits that are the same
4) Homozygous
A
the two alleles that make up the genotype are different
B
the genetic makeup of an organism
C
the traits that are present by chance
D
the two alleles that make up the genotype are the same
5) Heterozygous
A
the genetic makeup of an organism
B
expressed in the phenotype
C
the two alleles that make up the genotype are the same
D
the two alleles that make up the genotype are different
6) Dominant Alleles
A
form of a gene that is NOT expressed in the phenotype
B
alleles (traits) that are not inherited
C
the appearance of an organism
D
form of a gene that is expressed in the phenotype (appearance)
7) Recessive Allele
A
the appearance of an organism
B
alleles (traits) that are not inherited
C
form of a gene that is expressed in the phenotype (appearance)
D
form of a gene that is only expressed in the phenotype (appearance) when both alleles of the genotype are recessive
8) Genes play an important role in determining...
A
how good we are at science
B
what job we choose
C
how well we can sing
D
how we look
9) Each cell in the human body contains about _________ genes.
A
30,000
B
10,000
C
500,000
D
1,000,000
10) Genes are only found in humans.
A
False
B
True
*select an answer for all questions
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