Quiz Genetics 5/15/2020
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Last updated over 5 years ago
29 questions
4
If both parents are homozygous dominant for brown eyes. What is the probabitility of them having a child with blue eyes?
If both parents are homozygous dominant for brown eyes. What is the probabitility of them having a child with blue eyes?
4
If both parents are homozygous dominant for brown eyes. What is the probabitility of them having a child with blue eyes?
If both parents are homozygous dominant for brown eyes. What is the probabitility of them having a child with blue eyes?
4
What did Gregor Mendel do to study different characteristics in his genetics experiments?
What did Gregor Mendel do to study different characteristics in his genetics experiments?
4
Factors that control traits are called
Factors that control traits are called
4
Scientists call an organism that has two different alleles for a trait a
Scientists call an organism that has two different alleles for a trait a
4
An organism’s physical appearance is its
An organism’s physical appearance is its
4
Scientists call an organism that has two different alleles for a trait a
Scientists call an organism that has two different alleles for a trait a
4
What is probability?
What is probability?
4
What is the probability of producing a tall pea plant from a genetic cross between two hybrid tall pea plants?
What is the probability of producing a tall pea plant from a genetic cross between two hybrid tall pea plants?
3
An organism’s genotype is its
An organism’s genotype is its
3
An organism that has two identical alleles for a trait is
An organism that has two identical alleles for a trait is
3
What does a Punnett square show?
What does a Punnett square show?
3
If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?
If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?
3
A heterozygous organism has
A heterozygous organism has
3
The passing of traits from parent to offspring is called
The passing of traits from parent to offspring is called
3
An offspring will receive how many alleles from each parent to determine a specific trait?
An offspring will receive how many alleles from each parent to determine a specific trait?
3
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
3
Which of the following genotypes is a purebred?
Which of the following genotypes is a purebred?
3
Scientist, farmers, and ranchers breed the organisms that have the genes they are wanting. Which process are they using?
Scientist, farmers, and ranchers breed the organisms that have the genes they are wanting. Which process are they using?
3
All of the following statements are reasons for selective breeding except:
All of the following statements are reasons for selective breeding except:
3
Which of the following are benefits of gene modification?
Which of the following are benefits of gene modification?
3
Natural Selection = Nature made
Artificial Selection = Man made
Natural Selection = Nature made
Artificial Selection = Man made
4
With asexual reproduction, the offspring are not identical to the parents.
With asexual reproduction, the offspring are not identical to the parents.
3
Recessive alleles are represented by a capital letter.
Recessive alleles are represented by a capital letter.
4
A hybrid is the offspring of parents that have different alleles for a trait.
A hybrid is the offspring of parents that have different alleles for a trait.
5
In pea plants, green pod color is controlled by a dominant allele. Yellow is controlled by a recessive allele. Explain why a plant with yellow pods can never be a hybrid.
In pea plants, green pod color is controlled by a dominant allele. Yellow is controlled by a recessive allele. Explain why a plant with yellow pods can never be a hybrid.
3
Artificial selection has many uses in the agriculture world. What are some concerns about using artificial selection with humans? Is it always ok to use with plants and animals?
Artificial selection has many uses in the agriculture world. What are some concerns about using artificial selection with humans? Is it always ok to use with plants and animals?
5
In pea plants, the allele for smooth pods (S) is dominant over the allele for pinched pods (s). Construct a Punnett square that shows a cross between an SS plant and an Ss plant. Predict what percent of the offspring are likely to have smooth pods.
In pea plants, the allele for smooth pods (S) is dominant over the allele for pinched pods (s). Construct a Punnett square that shows a cross between an SS plant and an Ss plant. Predict what percent of the offspring are likely to have smooth pods.
5
Use the punnett square above. What is the missing genotype?
Use the punnett square above. What is the missing genotype?