Biology 1400 Exam 2 | Actual Exam
Questions | 100% Correct Answers |
Verified 2024 Version
The tall allele is dominant and the dwarf allele is recessive. What is the abbreviation for the dwarf allele -
✔✔t
Cytokinesis - ✔✔the process that a cell physically dividing into two cells.
Active transport - ✔✔requires the expenditure of energy.
A true-breeding milk chocolate Easter bunny is crossed with a true-breeding dark chocolate Easter
bunny. Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to
Mendelian generics, which traits will the offspring express? - ✔✔All Dark
Lysosome - ✔✔functions to break down and recycle large molecules.
Mendel used peas as a model system because they - ✔✔are normally self-pollinating
are easy to cross-pollinate
During ______ of the cell cycle the chromosomes are duplicated. - ✔✔interphase
Meiosis produces ______ daughter cells. - ✔✔4
Mitosis - ✔✔nuclear membrane dissolves, chromosomes line up, chromosomes split, nuclear membrane
forms
An organism's actual gene/allele combination is called the ______ - ✔✔genotype
, The passive transport of water is specifically called __________ - ✔✔osmosis
_______ layers of phospholipids make up the plasma membrane. - ✔✔2
When DNA is uncoiled and spread throughout the nucleus in long thin strands, we call it the _________ -
✔✔chromatin
If genes are described as "sex linked," then they are typically on the ________ - ✔✔x- chromosome
All cells are surrounded by a _____ - ✔✔plasma (cell) membrane
ATP is an _________ - ✔✔energy
With the exception of albinos, all humans produce certain amounts of the skin pigment called melanin.
The actual amount of melanin produced by any individual will depend on both genes and environmental
influences. - ✔✔
18. The plasma membrane selectively regulates the transport of substances into and out of a plant cell. -
✔✔
ABO blood type system in humans is the result of a single gene with three possible alleles, encoding A
protein, B protein, or no protein (O). The A and B alleles are codominant with each other and are
dominant over the O allele. Predict the possible phenotypes of children whose father has blood type AB
and whose mother has blood type O. - ✔✔50% type A, 50% type B
Human white blood cells are often multinucleated. _____ chromosomes would be present in a white
blood cell with two nuclei. - ✔✔92
Alternative forms of a gene which condition the same trait, and are found at the same location (locus) in
homologous chromosomes are called ________ - ✔✔Alleles
Questions | 100% Correct Answers |
Verified 2024 Version
The tall allele is dominant and the dwarf allele is recessive. What is the abbreviation for the dwarf allele -
✔✔t
Cytokinesis - ✔✔the process that a cell physically dividing into two cells.
Active transport - ✔✔requires the expenditure of energy.
A true-breeding milk chocolate Easter bunny is crossed with a true-breeding dark chocolate Easter
bunny. Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to
Mendelian generics, which traits will the offspring express? - ✔✔All Dark
Lysosome - ✔✔functions to break down and recycle large molecules.
Mendel used peas as a model system because they - ✔✔are normally self-pollinating
are easy to cross-pollinate
During ______ of the cell cycle the chromosomes are duplicated. - ✔✔interphase
Meiosis produces ______ daughter cells. - ✔✔4
Mitosis - ✔✔nuclear membrane dissolves, chromosomes line up, chromosomes split, nuclear membrane
forms
An organism's actual gene/allele combination is called the ______ - ✔✔genotype
, The passive transport of water is specifically called __________ - ✔✔osmosis
_______ layers of phospholipids make up the plasma membrane. - ✔✔2
When DNA is uncoiled and spread throughout the nucleus in long thin strands, we call it the _________ -
✔✔chromatin
If genes are described as "sex linked," then they are typically on the ________ - ✔✔x- chromosome
All cells are surrounded by a _____ - ✔✔plasma (cell) membrane
ATP is an _________ - ✔✔energy
With the exception of albinos, all humans produce certain amounts of the skin pigment called melanin.
The actual amount of melanin produced by any individual will depend on both genes and environmental
influences. - ✔✔
18. The plasma membrane selectively regulates the transport of substances into and out of a plant cell. -
✔✔
ABO blood type system in humans is the result of a single gene with three possible alleles, encoding A
protein, B protein, or no protein (O). The A and B alleles are codominant with each other and are
dominant over the O allele. Predict the possible phenotypes of children whose father has blood type AB
and whose mother has blood type O. - ✔✔50% type A, 50% type B
Human white blood cells are often multinucleated. _____ chromosomes would be present in a white
blood cell with two nuclei. - ✔✔92
Alternative forms of a gene which condition the same trait, and are found at the same location (locus) in
homologous chromosomes are called ________ - ✔✔Alleles
