Share Biology Cumulative Final Exam 2025
Save to Folder
Which of the following best describes the definition of a gene?
none of these
a specific location on a chromosome that codes for a trait
a gamete
an alternate form of a gene
Which of the following genotypes would represent a homozygous recessive individual?
gg
Gg
GG
During which phase of meiosis does the crossing over of homologous chromosomes take place?
anaphase I
interphase I
metaphase I
prophase I
Mitosis is the division of ______________ and Meiosis is the division of _______________.
diploid cells, haploid cells
all of these
somatic cells, gametes
body cells, sex cells
Which of the following phenotypes would be expressed given the genotype tt?
none of these
the recessive phenotype
the heterozygous phenotype
the dominant phenotype
If you would cross a homozygous dominant individual with a heterozygous individual, what would be the phenotypic ratio of the possible offspring?
100% would show recessive trait
50% would show dominant, 50% would show recessive
100% would show dominant trait
25% would show dominant, 75% would show recessive
The central dogma of biology can be described as _______________________________.
DNA is transcribed into RNA, and RNA is translated to protein.
Which of the following is the name of the enzyme that unzips the double helix during DNA replication?
ligase
DNA polymerase
helicase
nuclease
DNA replication occurs ___________________________.
during protein synthesis
during transcription
during translation
in the s phase of interphase
When going from DNA to RNA, _______________________ is taking place.
translation
none of these
transcription
DNA replication
Which of the following is NOT one of the parts of a nucleotide?
nitrogenous base
phosphate group
none of these
sugar
In DNA, Adenine always pairs with ___________________.
Guanine
Cytosine
Uracil
Thymine
Protein synthesis takes place at __________________________.
a ribosome
chloroplasts
the golgi apparatus
the mitochondria
When a part of a chromosome is left off, which type of chromosomal alteration is taking place?
insertion
deletion
inversion
The enzyme in charge of proof-reading the DNA strand after it is replicated is ________________.
DNA Polymerase
Helicase
Ligase
Nuclease
Which of the following is NOT one of the three main parts of DNA replication?
Initiation
None of these
Termination
Elongation
