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WorksheetsBSC1010 Fall 2020 Exam 4
Total questions: 50
Worksheet time: 50mins
What is the way that prokaryotes reproduce?
Mitosis
Meiosis
Binary fission
Spermatogenesis
What is the way that eukaryotes produce gametes?
Mitosis
Meiosis
Binary fission
What is the term for sex cells (sperm, ova)?
Gamete
Zygote
Diploid
Fetus
During mitosis, four identical daughter cells are formed
True
False
During cell signaling, what accurately describes what a ligand is?
Receptor that molecule binds to
Molecule that binds to receptor
Internal cell structure that senses signals
Electrical impulses in nerves
What is the accurate order of a eukaryotic cell cycle?
S, G1, G2, M, C
M, G1, S, G2, C
G1, S, G2, M, C
C, M, G1, G2, S
During what stage of the eukaryotic cell cycle can the cell enter a "resting state" of G0?
G1
S
G2
M
The S phase of the cell cycle is when DNA is replicated in preparation for mitosis
True
False
Cancer is uncontrolled meiosis where the normal cell signals that regulate replication are impaired
True
False
During what phases of the cell cycle are there self assessment checkpoints?
G1
G2
S
M
What are proteins that regulate cell growth called?
Ligands
Amino acids
Estradiol
Cyclins
In mitosis, during what stage does the nuclear envelope break down and chromosomes condense?
Prophase
Metaphase
Anaphase
Telophase
In mitosis, during what stage do chromosomes move to the opposite sides of the cell?
Prophase
Metaphase
Anaphase
Telophase
In mitosis, during what stage do the chromosomes align at the equator of the cell?
Prophase
Metaphase
Anaphase
Telophase
In mitosis, during what stage do the new nuclear envelopes begin to form?
Prophase
Metaphase
Anaphase
Telophase
In mitosis, what stage immediately precedes cytokinesis?
Prophase
Metaphase
Anaphase
Telophase
What is the INCORRECT statement about mitosis?
Produces 2 daughter cells
Daughter cells are identical
Daughter cells are haploid
Produces somatic cells
What is the term for sperm and egg meeting?
Syncopy
Meiosis
Crossing over
Syngamy
There are twice as many divisions in meiosis than mitosis
True
False
In mitosis, daughter cells are identical to each other but not to the parent cell
True
False
What is the term for a given version of a gene?
Locus
Allele
Mutagen
Chromosome
When two gametes fuse they form a...
Fetus
Blasatocyst
Fistula
Zygote
What law states that the alleles of two different genes get sorted into gametes independently from each other?
1st law of inheritance: Segregation
2nd law of inheritance: Independent assortment
3rd law of inheritance: Dominance
What law states two members of an alleles segregate from each other in the formation of gametes?
1st law of inheritance: Segregation
2nd law of inheritance: Independent assortment
3rd law of inheritance: Dominance
What law states that some alleles will always be expressed over other alleles if both are present
1st law of inheritance: Segregation
2nd law of inheritance: Independent assortment
3rd law of inheritance: Dominance
What is the terms for all of the genes in an organism?
Genotype
Phenotype
Autosome
Allele
What is the terms for the expressed traits of an organism's genes?
Genotype
Phenotype
Autosome
Allele
What is the difference between sister chromatids and homologous chromosomes?
Sister chromatids are identical
Homologous chromosomes are identical
Sister chromatids are formed during meiosis
Homologous chromosomes are formed during mitosis
There is no difference
What is the term for the "crossing over" that occurs during prophase I of meiosis?
Syngamy
Synapsis
Entropy
Law of independent assortment
What is the question mark pointing to?
Cilia
Synaptonemal complex
Synaptids
Ligands
What is the term for these four connected chromosomes?
Tetris
Tetrad
Homologous
Alleles
What is the phenotype ratio of a dihybrid cross?
1:2:1
9:3:3:1
6:3:3:3
If an individual has the genotype Aa BB, what are the possible gametes they can produce?
AB, aB, ab
AB, aB
AB
aB
If we crossed an AA individual with an aa individual, what are the genotypes of their possible children?
AA, aa, Aa
AA, Aa
aa, Aa
Aa
If two heterozygous individuals reproduced four times, we would expect how many children to be carriers of the recessive allele?
1
2
3
4
What protein is number 1?
Helicase
Ligase
SS Binding protein
Gyrase
What protein is number 2?
Helicase
Ligase
DNA polymerase
Gyrase
Protein #3 is adding an small section of RNA, it is...
Okazaki
Primase
DNA polymerase
Gyrase
Protein 8 and 6 are adding nucleotides that complement their strand, they are...
Okazaki
Helicase
DNA polymerase
Gyrase
What protein removes the RNA primer and replaces it with DNA nucleotides?
DNA polymerase
Primase
Gyrase
Helicase
Protein #9 is stitching together fragments of DNA, what are these fragments called?
Okazaki fragments
RNA primers
Nucleotides
Codons
Protein #9 is stitching together fragments of DNA, what is this protein?
Gyrase
Polymerase
Ligase
Ligand
A mutation that doesn't change the amino acid the nucleotide would normally code for is a...
Conservative missense mutation
Nonconservative missense mutation
Silent mutation
Nonsense mutation
A mutation that changes an amino acid codon to a stop codon is a...
Conservative missense mutation
Nonconservative missense mutation
Silent mutation
Nonsense mutation
A mutation that is either a deletion or insertion of a nucleotide is called a...
Nonsense mutation
Missense mutation
Silent mutation
Frameshift mutation
What is it called when you look at two Mendelian traits at once in a punnett square?
Hybrid cross
Dihybrid cross
Monohybrid cross
Codominant cross
Dominant cross
All genes follow the dominant/recessive pattern
True
False
Two grey sheep are bred with each other. Two lambs are grey, one black, one white. What is this Mendelian exception?
Codominance
Epistasis
Incomplete dominace
Polygenic inheritance
A purple flower is bread with a pink one. The baby plant has pink & purple stripes. What is this Mendelian exception?
Codominance
Epistasis
Incomplete dominace
Polygenic inheritance
There are many genes that contribute to a person's hair color. What is this Mendelian exception?
Codominance
Epistasis
Incomplete dominace
Polygenic inheritance
