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BIO 141 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
The A site accepts a protein called a _______ - ANSWER-release
factor
The release factor causes the addition of a ______ instead of an
amino acid - ANSWER-water molecule
The reaction of adding a water molecule instead of an amino acid
in the termination stage of translation, releases the ______ and
the ________ comes apart - ANSWER-polypeptide, translation
assembly
______ are changes in the genetic material of a cell or virus -
ANSWER-Mutations
_______ are chemical changes in just one base pair of a gene -
ANSWER-Point mutations
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Mendel developed a hypothesis to explain the ______ inheritance
pattern he observed in ____ offspring - ANSWER-3:1, F2
Alternative versions of genes account for..... - ANSWER-
Variations in inherited genes
Alternative versions of a gene are called ________ - ANSWER-
Alleles
Each gene resides at a specific _______ on a specific
chromosome - ANSWER-Locus
An organism inherits ____ alleles, _____ from each parent -
ANSWER-2, 1
T or F: the two alleles at a particular locus may be identical. -
ANSWER-True, an example is in the true breeding plants of
Mendel's P generation
T or F: In the F1 hybrids, the locus may differ - ANSWER-True
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The __________ determines the organisms appearance -
ANSWER-Dominant allele
When referring to alleles, the __________ has no noticeable
affect on appearance. - ANSWER-Recessive allele
two alleles for a heritable character separating during gamete
formation and ending up in different gametes is known as ______
- ANSWER-The Law of Segregation
Because of the Law of Segregation, an egg or sperm gets
________ - ANSWER-one of the two alleles that are present in
the organism.
The segregation of alleles corresponds to the distribution of..... -
ANSWER-homologous chromosomes to different gametes in
meiosis
, 4|Page
In the P Generation, for purple flowers to white flowers, what is
the cross? - ANSWER-PPxpp
An organism with two identical alleles for a character is ______
for the gene controlling the character - ANSWER-homozygous
An organism that has two different alleles for a gene is ________
for the gene controlling that character - ANSWER-heterozygous
Unlike homozygotes, heterozygotes are not _________ -
ANSWER-True Breeding
Phenotype = - ANSWER-Physical appearance
Genotype = - ANSWER-Genetic Makeup
a testcross determines: - ANSWER-if an individual is
Homozygous dominant, or Heterozygous
BIO 141 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
The A site accepts a protein called a _______ - ANSWER-release
factor
The release factor causes the addition of a ______ instead of an
amino acid - ANSWER-water molecule
The reaction of adding a water molecule instead of an amino acid
in the termination stage of translation, releases the ______ and
the ________ comes apart - ANSWER-polypeptide, translation
assembly
______ are changes in the genetic material of a cell or virus -
ANSWER-Mutations
_______ are chemical changes in just one base pair of a gene -
ANSWER-Point mutations
,2|Page
Mendel developed a hypothesis to explain the ______ inheritance
pattern he observed in ____ offspring - ANSWER-3:1, F2
Alternative versions of genes account for..... - ANSWER-
Variations in inherited genes
Alternative versions of a gene are called ________ - ANSWER-
Alleles
Each gene resides at a specific _______ on a specific
chromosome - ANSWER-Locus
An organism inherits ____ alleles, _____ from each parent -
ANSWER-2, 1
T or F: the two alleles at a particular locus may be identical. -
ANSWER-True, an example is in the true breeding plants of
Mendel's P generation
T or F: In the F1 hybrids, the locus may differ - ANSWER-True
,3|Page
The __________ determines the organisms appearance -
ANSWER-Dominant allele
When referring to alleles, the __________ has no noticeable
affect on appearance. - ANSWER-Recessive allele
two alleles for a heritable character separating during gamete
formation and ending up in different gametes is known as ______
- ANSWER-The Law of Segregation
Because of the Law of Segregation, an egg or sperm gets
________ - ANSWER-one of the two alleles that are present in
the organism.
The segregation of alleles corresponds to the distribution of..... -
ANSWER-homologous chromosomes to different gametes in
meiosis
, 4|Page
In the P Generation, for purple flowers to white flowers, what is
the cross? - ANSWER-PPxpp
An organism with two identical alleles for a character is ______
for the gene controlling the character - ANSWER-homozygous
An organism that has two different alleles for a gene is ________
for the gene controlling that character - ANSWER-heterozygous
Unlike homozygotes, heterozygotes are not _________ -
ANSWER-True Breeding
Phenotype = - ANSWER-Physical appearance
Genotype = - ANSWER-Genetic Makeup
a testcross determines: - ANSWER-if an individual is
Homozygous dominant, or Heterozygous
