Biology UTEP 1305 Final Exam 100% Correct Answers Verified Latest 2024 Version
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Epistasis refers to - The expression of one gene masking the expression of another.
Which statement about a dihybrid cross is true? - It is a cross between identical double
heterozygotes
Which statement about mitosis is true? - Two genetically identical daughter cells are formed.
Separation of ...
Biology UTEP 1305 Final Exam | 100% Correct
Answers | Verified | Latest 2024 Version
Epistasis refers to - ✔✔The expression of one gene masking the expression of another.
Which statement about a dihybrid cross is true? - ✔✔It is a cross between identical double
heterozygotes
Which statement about mitosis is true? - ✔✔Two genetically identical daughter cells are formed.
Separation of the alleles of a single gene into different gametes is called - ✔✔Segregation
A mechanism for increasing the genetic diversity of offspring is - ✔✔Sexual reproduction.
In mitotic metaphase, a cell with eight sister chromatids has _____ centromere(s). - ✔✔Four
Late in mitotic anaphase, a cell with 28 daughter chromosomes has _____ centromeres in the dividing
cell. - ✔✔28
In a particular diploid organism, somatic cells hav 24 chromosomes. How many chromosomes would be
present in the gametes of that organism? - ✔✔24
Bacteria typically have _____, whereas eukaryotes have _____. - ✔✔One chromosome that is circular;
many chromosomes that are linear
Which event is not part of sexual reproduction? - ✔✔The fusion of sister chromatids during fertilization
The molecules that make up a chromosome are _____ and _____. - ✔✔DNA; proteins
,A set of cells in the intestinal epithelium divides continually in order to replace dead cells. A microscopic
examination of this population of cells would show that most of them - ✔✔Would be in interphase
If two strains of true-breeding plants that have different alleles for a certain character are crossed, their
progeny are called - ✔✔The F1 generation
Bacteria engage in genetic transfers after a thin projection called a _____ extends from one cell to
another. - ✔✔Sex pilus
Most zygotes are - ✔✔Unicellular
In a diploid organism, zygotes are - ✔✔Diploids
Segregation of alleles occurs - ✔✔During formation of gametes
Condensation of chromosomes occurs during - ✔✔Prophase
The particular allele of a gene that is present in most individuals in nature is referred to as - ✔✔Wildtype
Cells that do not divide are usually arrested in - ✔✔G1
Which events are required for cell division? - ✔✔Interphase, mitosis, cytokinesis
Chromatin condenses to form discrete, visible chromosomes - ✔✔Chromatin condenses to form
discrete, visible chromosomes
The second meiotic division of meiosis - ✔✔Without this division, chromosome copies would double at
each fertilization.
The parents of individuals in the F2 generation are members of the _____ generation. - ✔✔F1
, The processes of synapsis and the formation of chiasmata does not - ✔✔Involve reciprocal exchange of
chromosomal sections.
Involve the recombination of DNA on homologous chromosomes.
Bring about an increase in genetic variation.
Provide evidence that an exchange of genetic material has occurred.
A true-breeding strain of tall soybean plants is crossed with a true-breeding strain of short soybean
plants. All the offspring are short. Thus, tall is a _____ trait. - ✔✔Recessive
Mendel concluded that each pea has two units for each character, and each gamete contains one unit.
Mendel's "unit" is now referred to as a(n) - ✔✔Gene
A haploid cell is a cell - ✔✔Has half the usual number of chromosomes
Some organisms can reproduce by "cloning" themselves, an asexual process. Which type of organism is
least able to naturally reproduce through "cloning"? - ✔✔Mammals
The members of a homologous pair of chromosomes in a sexually reproducing organism - ✔✔Are
identical in size and appearance.
If Mendel had performed experiments on cattle rather than on peas, the patterns of inheritance would
not have been easily dectectable, because cattle - ✔✔Have small number of offsprings
The products of mitosis are - ✔✔Two genetically identical nuclei.
Different forms of a gene are called - ✔✔Alleles
The mitotic spindle is composed of - ✔✔microtubules
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