Genetics Final Exam (Final exam for
Pittcock Genetics)/249 Questions
&Answers
What are deleterious genes and list one example - -alleles whose
phenotype results in significantly reduced fitness of an animal;
Dexter cattle - short legs
-Genetics - -The scientific study of heredity and hereditary
variation.
-Gregor Mendel is often referred to as - -"Father of Genetics"
-What plant did Gregor Mendel study? - -peas
-Why was Mendel more successful than other researchers?
(what were they looking for or at differently) - -1. Picked easy
organism to experiment
2. Picked plant that was diploid
3. Picked traits that were simply inherited
4. Mendel looked at traits separately
-Define genetic improvement and list 3 examples - -The
betterment of an organism;
1. bigger
2. smaller
3. faster
4. hairless
5. quicker weight gain
-Who created the term "genetics?' - -William Batesone
, -What is a chromosome? - -a DNA molecule composed of RNA
and proteins to form a threadlike structure; only visible during
meiosis and mitosis (contains the genes)
-What is located on a chromosome? - -genes
-What is the appearance of the structure of a DNA strand? - -
double helix
-Define DNA - -Genetic material makes up a gene and then
makes up a chromosome
-List the bases that make up DNA - -Adenine
Guanine
Cytosine
Thymine
-What DNA bases are paired together? - -Adenine - Thymine
Cytosine - Guanine
-List one dominant trait and the corresponding recessive trait
Cattle - -Dominant - polled
Recessive - horned
-List one dominant trait and the corresponding recessive trait
Chickens - -Dominant - feathered shanks
Recessive - clean shanks
-List one dominant trait and the corresponding recessive trait
Horses - -Dominant - smooth hair
, Recessive - curly hair
-List one dominant trait and the corresponding recessive trait
Dogs - -Dominant - wire hair
Recessive - smooth hair
-List one dominant trait and the corresponding recessive trait
Cats - -Dominant - short hair
Recessive - long hair
-List one dominant trait and the corresponding recessive trait
Tomato - -Dominant - small fruit
Recessive - large fruit
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Seed color - -yellow, green
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Flower color - -purple, white
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Seed shape - -round, wrinkled
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Pod color - -green, yellow
Pittcock Genetics)/249 Questions
&Answers
What are deleterious genes and list one example - -alleles whose
phenotype results in significantly reduced fitness of an animal;
Dexter cattle - short legs
-Genetics - -The scientific study of heredity and hereditary
variation.
-Gregor Mendel is often referred to as - -"Father of Genetics"
-What plant did Gregor Mendel study? - -peas
-Why was Mendel more successful than other researchers?
(what were they looking for or at differently) - -1. Picked easy
organism to experiment
2. Picked plant that was diploid
3. Picked traits that were simply inherited
4. Mendel looked at traits separately
-Define genetic improvement and list 3 examples - -The
betterment of an organism;
1. bigger
2. smaller
3. faster
4. hairless
5. quicker weight gain
-Who created the term "genetics?' - -William Batesone
, -What is a chromosome? - -a DNA molecule composed of RNA
and proteins to form a threadlike structure; only visible during
meiosis and mitosis (contains the genes)
-What is located on a chromosome? - -genes
-What is the appearance of the structure of a DNA strand? - -
double helix
-Define DNA - -Genetic material makes up a gene and then
makes up a chromosome
-List the bases that make up DNA - -Adenine
Guanine
Cytosine
Thymine
-What DNA bases are paired together? - -Adenine - Thymine
Cytosine - Guanine
-List one dominant trait and the corresponding recessive trait
Cattle - -Dominant - polled
Recessive - horned
-List one dominant trait and the corresponding recessive trait
Chickens - -Dominant - feathered shanks
Recessive - clean shanks
-List one dominant trait and the corresponding recessive trait
Horses - -Dominant - smooth hair
, Recessive - curly hair
-List one dominant trait and the corresponding recessive trait
Dogs - -Dominant - wire hair
Recessive - smooth hair
-List one dominant trait and the corresponding recessive trait
Cats - -Dominant - short hair
Recessive - long hair
-List one dominant trait and the corresponding recessive trait
Tomato - -Dominant - small fruit
Recessive - large fruit
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Seed color - -yellow, green
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Flower color - -purple, white
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Seed shape - -round, wrinkled
-List pairs of characteristics and the traits (specific phenotypes)
of each trait Mendel studied:
Pod color - -green, yellow
