Genes Vocabulary Question Preview (ID: 53634)


Creature Feature Vocabulary. TEACHERS: click here for quick copy question ID numbers.

Genotype
a) the genetic makeup of an organism
b) the physical appearance
c) the type of clothing you wear
d) the different traits an organism has

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

Alleles
a) the different forms a gene may have for a trait (like eye color or fur color)
b) traits that are the same
c) traits that are different
d) traits that are only visible if both parents have them

Homozygous
a) the traits that are present by chance
b) the two alleles that make up the genotype are the same
c) the two alleles that make up the genotype are different
d) the genetic makeup of an organism

Heterozygous
a) the genetic makeup of an organism
b) the two alleles that make up the genotype are the same
c) expressed in the phenotype
d) the two alleles that make up the genotype are different

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)

Recessive Allele
a) form of a gene that is only expressed in the phenotype (appearance) when both alleles of the genotype are recessive
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)

Genes play an important role in determining...
a) how we look
b) what job we choose
c) how good we are at science
d) how well we can sing

Each cell in the human body contains about _________ genes.
a) 10,000
b) 30,000
c) 1,000,000
d) 500,000

Genes are only found in humans.
a) True
b) False
c)
d)

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