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WorksheetsGenetics
Total questions: 15
Worksheet time: 30mins
What is involved in the process of artificial selection?
Tracing one specific trait through a family's past generations in order to see where it came from and how it was inherited.
Humans select animals to breed that create animals with desirable traits.
When members of a species with the best traits will survive longer and will be more likely to reproduce.
What best describes the influence that parents have on whether or not offspring inherit a genetically inherited trait?
Only one parent contributes an allele.
Each parent contributes one allele because each parent randomly contributes one allele for each gene that is passed onto offspring.
Neither parent contributes an allele
A green-seeded pea plant and a yellow-seeded pea plant have offspring with all yellow seeds. What is the most likely reason?
The genes from the yellow-seeded parent were dominant.
The genes from the green-seeded parent were dominant.
The genes from neither parents were dominant.
Which of the following is a true description of sexual and asexual reproduction?
Asexual reproduction involves two parent organisms, but sexual reproduction does not.
Sexual reproduction involves two parent organisms, but asexual reproduction does not.
A homozygous dominant parent and a homozygous recessive parent have offspring. What is true about the offspring?
The offspring are heterozygous.
The offspring are homozygous recessive.
The offspring are homozygous dominant.
What is the production of a phenotype that is between two different homozygous parents?
A clone.
A purebred.
A hybrid.
Where is most of a cell's hereditary information stored?
Inside the nucleus, which has DNA that contain many genes.
inside the nucleus, which has chromosomes that contain many genes.
Inside the nucleus, which has alleles that contain many genes.
Agriculture has used selective breeding for many years to pass on desirable traits to domesticated plants and animals. This is an example of what type of selection?
Artificial Selection
Natural Selection
Genetic Selection
During the 1800s, Gregor Mendel conducted experiments with pea plants. His work showed that organisms inherit traits from their parents and that some traits are dominant over others. Mendel's work was ignored for a long time because scientists could not explain how traits were carried from one generation to the next. What discovery provided scientists with a way to explain Mendel's work?
Probability
Pedigree
The Punnett Square
The table above describes reproduction that occurred in two different types of organisms. What type of reproduction is Species A & Species B?
Species A is sexual & Species B is asexual
Species A is asexual & Species B is sexual
Species A is sexual & Species B is sexual
The mother is heterozygous and the father is homozygous dominant. The allele for brown eyes (B) is dominant over the allele for blue eyes (b). What percentage of the offspring is most likely have brown eyes?
25%
50%
100%
The kalanchoe plant reproduces asexually by creating new plants along the margins of its leaves. The chili pepper plant reproduces sexually, which means it can produce peppers that are many different colors and sizes, even though they are growing on the same plant.
What benefit do the offspring of the kalanchoe plant receive that the offspring of the chili pepper plant do not?
Kalanchoe offspring will almost have the genetic ability to resist disease as the parent plant
Kalanchoe offspring will not have the genetic ability to resist disease as the parent plant
Kalanchoe offspring will have the same genetic ability to resist disease as the parent plant
In frogs, the gene for yellow spots (Y) is dominant over the gene for brown spots (y). If 50% of the offspring have yellow spots, what was the most likely parental cross?
Yy x Yy
YY x yy
Yy x yy
Which of the following best explains the relationship between structures X and Y?
X, chromosomes, are located inside Y, the mitchronda, and these structures store genetic material for the cell.
X, chromosomes, are located inside Y, the nucleus, and these structures store genetic material for the cell.
X, chromosomes, are located inside Y, the vacuole, and these structures store genetic material for the cell.
Rufus has beige fur, and his genotype for this trait is Bb. Would he be considered a purebred or hybrid for beige fur?
Neither
Purebred
Hybrid
