FAU Dr.Brooks Biological Principles Unit 4
UPDATED ACTUAL Exam Questions and
CORRECT Answers
The features/characteristics of the organism are dictated primarily by the _____ inherited from
the parents. - CORRECT ANSWER - Genes
T/F The genome of the organism is represented in each cell - CORRECT ANSWER -
TRUE - complex interactions among cells in tissues determine which genes are active and where
during development.
For instance, cells within bones contain bone-developing genes. The cells in muscles also contain
those bone-developing genes, but they are not activated.
_________ occur randomly and are valuable sources of variation to help create the diversity of
life. - CORRECT ANSWER - Mutations
The genes located along the DNA must first be copied by _________ ___ which is translated
outside the _______ by _________ that produce the appropriate protein. - CORRECT
ANSWER - Messenger RNA, nucleus, ribosomes
what is a genotype? - CORRECT ANSWER - genetic composition of an organism
Within the "blending inheritance" theory, does blending *always* occur? - CORRECT
ANSWER - No! Blending did not always occur, which lead to Gregor Mendel's theory that
blending inheritance cannot entirely explain gene inheritance.
What are allele? - CORRECT ANSWER - Opposite forms of the same gene
What are homologous chromosomes? - CORRECT ANSWER - paired chromosomes with
genes for the same traits arranged in the same order
,What are homozygous alleles? - CORRECT ANSWER - Homozygous alleles are two of
the same alleles (BB or bb).
What is heterozygous alleles? - CORRECT ANSWER - Heterozygous alleles are two
differing alleles (Bb or Gg)
Is the allele Aa homozygous or heterozygous? - CORRECT ANSWER - Heterozygous due
to one "A" and one "a", differing alleles
Is the allele AA homozygous or heterozygous? Dominant or recessive? - CORRECT
ANSWER - Dominant Homozygous due to two "A"s, double capital alleles
Which represents which?
Capital letter, Lowercase letter
-------------
Recessive, Dominant - CORRECT ANSWER - Dominant - Capital
Recessive - Lowercase
What would the genotype of gamete from a PP plant be? - CORRECT ANSWER - The PP
plant would only produce P gametes
What would the genotype of gamete from a pp plant be? - CORRECT ANSWER - The pp
plant would onl produce p gametes
What would the genotype of the cross between PP x pp be? - CORRECT ANSWER - Pp
, Within the F2 generation spawned from the PP x pp true-breeding parents (P generation) what is
the ratio of purple (PP) flowers to white flowers (pp)? - CORRECT ANSWER - 3 purple
flowers : 1 white flower
What is the coloration of the F1 generation spawned from the true-breeding parents PP (purple) x
pp (white)? - CORRECT ANSWER - All the flowers within the F1 generation cross of PP
x pp are purple. The F2 generation begins to show the presence of white flowers in a 3 purple: 1
white ratio
What does phenotype represent? - CORRECT ANSWER - Traits/Characteristics
What is the Blending Inheritance Theory? - CORRECT ANSWER - The blending of traits
(Blending two colors to form a new color)
Example: Blonde + red Hair = Strawberry Blonde
Black skin + White skin = mixed skin kids
(Also possible for kids to be blond, fully white/fully black, etc.)
What theory did Gregor Mendel focus on? - CORRECT ANSWER - Blending Inheritance
Theory
Which two fields of study form mendel's focus? - CORRECT ANSWER - Biology +
statistics
Match the following reproductive plant parts to the correct sex
Female, Male
---------
Carpel, Stamen - CORRECT ANSWER - Female - Carpel
Male - Stamen
UPDATED ACTUAL Exam Questions and
CORRECT Answers
The features/characteristics of the organism are dictated primarily by the _____ inherited from
the parents. - CORRECT ANSWER - Genes
T/F The genome of the organism is represented in each cell - CORRECT ANSWER -
TRUE - complex interactions among cells in tissues determine which genes are active and where
during development.
For instance, cells within bones contain bone-developing genes. The cells in muscles also contain
those bone-developing genes, but they are not activated.
_________ occur randomly and are valuable sources of variation to help create the diversity of
life. - CORRECT ANSWER - Mutations
The genes located along the DNA must first be copied by _________ ___ which is translated
outside the _______ by _________ that produce the appropriate protein. - CORRECT
ANSWER - Messenger RNA, nucleus, ribosomes
what is a genotype? - CORRECT ANSWER - genetic composition of an organism
Within the "blending inheritance" theory, does blending *always* occur? - CORRECT
ANSWER - No! Blending did not always occur, which lead to Gregor Mendel's theory that
blending inheritance cannot entirely explain gene inheritance.
What are allele? - CORRECT ANSWER - Opposite forms of the same gene
What are homologous chromosomes? - CORRECT ANSWER - paired chromosomes with
genes for the same traits arranged in the same order
,What are homozygous alleles? - CORRECT ANSWER - Homozygous alleles are two of
the same alleles (BB or bb).
What is heterozygous alleles? - CORRECT ANSWER - Heterozygous alleles are two
differing alleles (Bb or Gg)
Is the allele Aa homozygous or heterozygous? - CORRECT ANSWER - Heterozygous due
to one "A" and one "a", differing alleles
Is the allele AA homozygous or heterozygous? Dominant or recessive? - CORRECT
ANSWER - Dominant Homozygous due to two "A"s, double capital alleles
Which represents which?
Capital letter, Lowercase letter
-------------
Recessive, Dominant - CORRECT ANSWER - Dominant - Capital
Recessive - Lowercase
What would the genotype of gamete from a PP plant be? - CORRECT ANSWER - The PP
plant would only produce P gametes
What would the genotype of gamete from a pp plant be? - CORRECT ANSWER - The pp
plant would onl produce p gametes
What would the genotype of the cross between PP x pp be? - CORRECT ANSWER - Pp
, Within the F2 generation spawned from the PP x pp true-breeding parents (P generation) what is
the ratio of purple (PP) flowers to white flowers (pp)? - CORRECT ANSWER - 3 purple
flowers : 1 white flower
What is the coloration of the F1 generation spawned from the true-breeding parents PP (purple) x
pp (white)? - CORRECT ANSWER - All the flowers within the F1 generation cross of PP
x pp are purple. The F2 generation begins to show the presence of white flowers in a 3 purple: 1
white ratio
What does phenotype represent? - CORRECT ANSWER - Traits/Characteristics
What is the Blending Inheritance Theory? - CORRECT ANSWER - The blending of traits
(Blending two colors to form a new color)
Example: Blonde + red Hair = Strawberry Blonde
Black skin + White skin = mixed skin kids
(Also possible for kids to be blond, fully white/fully black, etc.)
What theory did Gregor Mendel focus on? - CORRECT ANSWER - Blending Inheritance
Theory
Which two fields of study form mendel's focus? - CORRECT ANSWER - Biology +
statistics
Match the following reproductive plant parts to the correct sex
Female, Male
---------
Carpel, Stamen - CORRECT ANSWER - Female - Carpel
Male - Stamen
