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Midterm Review
Test Description: Midterm Review 3
Instructions: Answer all questions to get your test result.
1) Purple flowers are dominant to white flowers. What are the parents genotypes if they produce 75% purple flowers and 25% white flowers?
A
TT and Tt
B
Tt and tt
C
TT and tt
D
Tt and Tt
2) A long tailed dog and a short tailed dog mate and the offspring has a medium lengthened tail. What type of inheritance pattern is shown?
A
Complete dominance because long tails are dominant to short tails in dogs.
B
Incomplete dominance because the parents' traits are blended in the offspring
C
Codominance because the parents' traits are blended in the offspring.
D
Codominance because short tails are dominant to long tails in dogs.
3) Blood type is an example of which inheritance pattern?
A
Incomplete dominance because the parents alleles are blended in the offspring.
B
Complete dominance because the A allele is dominant to the B allele.
C
Complete dominance because the B allele is dominant to the A allele.
D
Codominance because the A allele and B allele are dominant together.
4) Round seeds (R) are dominant to wrinkled seeds. Tall stems (T) are dominant to short stems. What is the phenotype of a plant that is Rrtt?
A
Wrinkled seed and tall stem
B
Round seeds and short stem
C
Round seeds and tall stem
D
Wrinkled seed and short stem
5) Dimples (D) are dominant to not having dimples and freckles (F) are dominant to not having freckles. If two parents are heterozygous for both dimples and freckles how many offspring (in fraction) will have dimples and freckles?
A
3/16
B
12/16
C
1/16
D
9/16
6) What are the phases of mitosis in order?
A
interphase, meiosis 1, meiosis 2, and cytokinesis
B
prophase, metaphase, anaphase, telophase, and cytokinesis
C
interphase, mitosis, and cytokinesis
D
prophase, metaphase, anaphase, and telophase
7) Which phase of mitosis shows the chromosomes lining up at the center of the cell?
A
anaphase
B
cytokinesis
C
metaphase
D
interphase
8) Which phase does the cell duplicate DNA and check for errors before dividing?
A
cytokinesis
B
prophase
C
interphase
D
mitosis
9) Which phase of mitosis do you see chromosomes being pulled away from each other?
A
telophase
B
prophase 1
C
meiosis
D
anaphase
10) A human gamete is a __________ cell and has _____ chromosomes
A
haploid, 23
B
haploid, 46
C
diploid, 46
D
diploid, 23
11) A human somatic cell is a __________ cell and has _____ chromosomes
A
haploid; 46
B
haploid; 23
C
diploid; 46
D
diploid; 23
12) Which organelles are found only in a plant cell but not in an animal cell?
A
nucleus and cell membrane
B
mitochondria and ribosome
C
chloroplast and cell wall
D
cell membrane and large vacuole
13) A cell is seen to reproduce quickly, lack a nucleus, and is small in size. What type of cell is described?
A
animal cell
B
prokaryotic cell
C
plant cell
D
eukaryotic cell
14) Which macromolecule has carbon, hydrogen, oxygen, nitrogen, and phosphorus?
A
carbohydrate
B
lipid
C
nucleic acid
D
protein
15) Enzymes are an example of proteins which have monomers (building blocks) called?
A
monosaccharides
B
nucleotides
C
fatty acids
D
amino acids
16) A potato is placed in a salt water solution. After 20 minutes the potato has shriveled up. What happened to the cells inside the potato?
A
Since it was placed into a hypotonic solution, the water entered the cells in the potato.
B
It was placed in an isotonic solution. The water entered the cells of the potato.
C
Since it was placed in a hypertonic solution, the water left the cells and went into the environment.
D
Since it was placed into a hypotonic solution, the water left the cell and went into the environment.
17) If a cell is placed into a hypotonic solution, what will happen to the size of the cell?
A
Nothing will happen to the cell.
B
It will shrink.
C
Water will move into and out of the cell.
D
It will enlarge.
18) Which of the following is not true about mitosis and meiosis?
A
Crossing over occurs in meiosis but not in mitosis.
B
Mitosis produces 2 genetically identical cells and meiosis produces 4 genetically different cells.
C
Mitosis divides prokaryotic cells and meiosis divides eukaryotic cells.
D
Mitosis goes through cell division once and meiosis goes through cell division twice.
19) Which macromolecules are organic?
A
carbohydrates, proteins, and nucleic acids
B
proteins and lipids
C
carbohydrates
D
all of the macromolecules
20) Dimples (D) are dominant to not having dimples and freckles (F) are dominant to not having freckles. Which genotype represents no dimples but having freckles?
A
DdFf
B
ddff
C
ddFf
D
DDff
*select an answer for all questions
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