Genetics Question Preview (ID: 58364)


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What is the trait that hides in the background? It is represented by a lowercase letter. It can only be expressed in homozygous form.
a) dominant
b) recessive
c) incomplete dominance
d) replication

Guanine always pairs with ___________________.
a) thymine
b) cytosine
c) adenine
d) guanine

Adenine always pairs with____________________.
a) thymine
b) cytosine
c) adenine
d) adenine

The term used to describe the physical appearance of the trait (ex. long nose)
a) genotype
b) phenotype
c) trait
d) Punnett Square

This contains your genes and is found in the nucleus of the cell
a) traits
b) DNA
c) genotype
d) replication

The term used to describe the physical appearance of the trait (ex. long nose)
a) genotype
b) phenotype
c) trait
d) Punnett Square

When dominant and recessive traits are combined in the heterozygous state that results in the BLENDING of traits, (red and white flower produces a pink flower)
a) codominance
b) multiple alleles
c) incomplete dominance
d) pedigree

___________________________ involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics.
a) Designer Offspring
b) Selective Breeding
c) Chemical Breeding
d) Physical Breeding

The term used to describe the combination of alleles (PP, Pp,pp)
a) traits
b) multiple alleles
c) pedigree
d) genotype

The scientific study of heredity
a) genetics
b) traits
c) replication
d) hybrid

If a human is a tongue roller (TT) mates with a non tongue roller(tt) - What are the possible phenotypes of the offspring?
a) The offspring can roll their tongue and not roll their tongue
b) The offspring will be able to roll their tongue
c) The offspring will not be able to roll their tongue
d) None of the above

The term used to describe the letters that represent the different forms of a gene
a) pedigree
b) alleles
c) genotype
d) phenotype

Shows all the possible combinations of alleles from the parents.
a) Punnett Square
b) pedigree
c) phenotype
d) genotype

What two names are used to describe alleles that are the same
a) homozygous, purebred
b) Traits and Recessive
c) Homozygous and Purebred
d) Traits and Replication

What is the process where DNA is copied
a) pedigree
b) traits
c) replication
d) thymine

The term used to describe the trait that overshadows and is expressed with a capital letter
a) homozygous
b) heterozygous
c) dominant
d) recessive

A red flower with the genotype( RR) is crossed with another red flower (Rr) -What will be the phenotype of the offspring?
a) white
b) pink
c) red
d) unknown

If SpongeBob and Gerdy are heterozygous for their blue skin, what is the probability of an offspring with green skin?
a) 25%
b) 50%
c) 75%
d) 100%

If recessive alleles for dimples(dd) are crossed with another set of recessive alleles for dimples (dd), what are the possible genotypes?
a) DD
b) dd
c) DD, Dd
d) DD, Dd, dd

_______________________ are physical or behavioral characteristics that are passed down to organisms genetically. (hair color, freckles, dimples, eye color, straight hair)
a) traits
b) genes
c) codominance
d) alleles

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