In pea plants, the allele for round peas, R, is dominant over the allele for wrinkled peas, r. What is the phenotype of a pea plant with genotype Rr? **Make a punnet square for help**(1 point)

Question

In pea plants, the allele for round peas, R, is dominant over the allele for wrinkled peas, r. What is the phenotype of a pea plant with genotype Rr? **Make a punnet square for help**(1 point)
Responses

some round and some wrinkled
some round and some wrinkled

slightly wrinkled
slightly wrinkled

round
round

wrinkled

What determines a trait of an organism?(1 point)
Responses

the number of dominant alleles
the number of dominant alleles

its phenotype
its phenotype

the combination of its alleles
the combination of its alleles

the number of copies of the gene

Which statement is accurate about dominant alleles?(1 point)
Responses

They are expressed only when a recessive allele is not present.
They are expressed only when a recessive allele is not present.

They result in the trait of shortness in pea plants.
They result in the trait of shortness in pea plants.

They are indicated by lowercase letters.
They are indicated by lowercase letters.

They are expressed whenever present.

In a certain dog breed, the allele B for a black coat is dominant, and the allele b for a spotted coat is recessive. What genotypes for this dog breed would lead to a spotted phenotype? **Make a Punnet square for help**(1 point)
Responses

BB
BB

Bb
Bb

BB and bb
BB and bb

bb

Which statement is true of all proteins?(1 point)
Responses

They are created by mutations in DNA.
They are created by mutations in DNA.

They carry oxygen in human blood.
They carry oxygen in human blood.

Their main function is to cause mutations.
Their main function is to cause mutations.

Their structure is related to their function.

What is the main benefit of genetic biodiversity?(1 point)
Responses

Genetic biodiversity helps individuals compete with each other.
Genetic biodiversity helps individuals compete with each other.

Genetic biodiversity helps populations avoid predators.
Genetic biodiversity helps populations avoid predators.

Genetic biodiversity helps individuals produce more offspring.
Genetic biodiversity helps individuals produce more offspring.

Genetic biodiversity helps populations adapt to environmental changes.
Genetic biodiversity helps populations adapt to environmental changes.

Question
Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?(1 point)
Responses

Environmental conditions caused the differences in flower color.
Environmental conditions caused the differences in flower color.

Genetic factors caused environmental changes that caused the differences in flower color.
Genetic factors caused environmental changes that caused the differences in flower color.

Genetic factors caused the differences in flower color.
Genetic factors caused the differences in flower color.

Environmental factors caused a genetic mutation that caused the differences in flower color.

What is the name for one half of a chromosome?(1 point)
Responses

chromatid
chromatid

protein
protein

gene
gene

centromere

Which statement about genetic material is correct?(1 point)
Responses

Genes encode deoxyribonucleic acid.
Genes encode deoxyribonucleic acid.

Chromatids contain chromosomes.
Chromatids contain chromosomes.

Centromeres connect two chromosomes.
Centromeres connect two chromosomes.

Chromosomes are made up of genes

In pea plants, the allele for tall height, T, is dominant over the allele for short height, t. A pea plant has two different alleles for height. Which statement about the pea plant is correct?(1 point)
Responses

The phenotype for height is short, and the genotype is Tt.
The phenotype for height is short, and the genotype is Tt.

The phenotype for height is tall, and the genotype is Tt.
The phenotype for height is tall, and the genotype is Tt.

The phenotype for height is short, and the genotype is tt.
The phenotype for height is short, and the genotype is tt.

The phenotype for height is tall, and the genotype is TT.

How are the terms homozygous and heterozygous different?(1 point)
Responses

Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.
Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.

Homozygous describes having recessive alleles for a trait, and heterozygous describes having dominant alleles for a trait.
Homozygous describes having recessive alleles for a trait, and heterozygous describes having dominant alleles for a trait.

Heterozygous describes having two of the same allele for a trait, and homozygous describes having two different alleles for a trait.
Heterozygous describes having two of the same allele for a trait, and homozygous describes having two different alleles for a trait.

Homozygous describes having dominant alleles for a trait, and heterozygous describes having recessive alleles for a trait.

How are the terms purebred and hybrid different?(1 point)
Responses

Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.
Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.

Purebred is a term used for an organism with recessive alleles, and hybrid is a term used for an organism with dominant alleles.
Purebred is a term used for an organism with recessive alleles, and hybrid is a term used for an organism with dominant alleles.

Purebred is a term used for an organism with dominant alleles, and hybrid is a term used for an organism with recessive alleles.
Purebred is a term used for an organism with dominant alleles, and hybrid is a term used for an organism with recessive alleles.

Purebred is a term used for a heterozygous organism, and hybrid is a term used for a homozygous organism.

What is the scientific term for a section of a chromosome?(1 point)
Responses

amino acid
amino acid

hemoglobin
hemoglobin

protein
protein

gene

What is the scientific term used to describe a structural change in a gene?(1 point)
Responses

hemoglobin
hemoglobin

anemia
anemia

genetic code
genetic code

mutation

Which statement is an example of a beneficial mutation? (1 point)
Responses

A person has a mutation that causes him to be unable to fully digest lactose.
A person has a mutation that causes him to be unable to fully digest lactose.

A fawn in the forest has a mutation that causes its fur color to be white.
A fawn in the forest has a mutation that causes its fur color to be white.

A mosquito has a mutation that causes it to be more resistant to pesticides.
A mosquito has a mutation that causes it to be more resistant to pesticides.

A person has a mutation that causes her earlobes to be attached to her head.

Which environmental factor would decrease plant growth?(1 point)
Responses

drought
drought

space
space

fertilizer
fertilizer

light
light

What is the main function of camouflage?(1 point)
Responses

Camouflage helps organisms find mates.
Camouflage helps organisms find mates.

Camouflage helps organisms gain nutrients in their environment.
Camouflage helps organisms gain nutrients in their environment.

Camouflage helps organisms blend within their environment.
Camouflage helps organisms blend within their environment.

Camouflage helps organisms resist diseases.

What is a phenotype of an organism?(1 point)
Responses

an observable trait
an observable trait

a structure that carries genetic information
a structure that carries genetic information

a section of DNA
a section of DNA

a combination of alleles

What is an allele?(1 point)
Responses

the trait a gene controls
the trait a gene controls

a form of a gene
a form of a gene

a dominant form of a gene
a dominant form of a gene

the location of a gene on a chromosome

GPT-4o mini · Answer

Here are the correct answers for each question you provided:

In pea plants, the allele for round peas, R, is dominant over the allele for wrinkled peas, r. What is the phenotype of a pea plant with genotype Rr?
- Answer: round
Punnet Square:
```
          R           r
       ----------------
     R |     RR      Rr
       |
     r |     Rr      rr
```
What determines a trait of an organism?
- Answer: the combination of its alleles
Which statement is accurate about dominant alleles?
- Answer: They are expressed whenever present.
In a certain dog breed, the allele B for a black coat is dominant, and the allele b for a spotted coat is recessive. What genotypes for this dog breed would lead to a spotted phenotype?
- Answer: bb
Punnet Square:
```
          B           b
       ----------------
     B |     BB      Bb
       |
     b |     Bb      bb
```
Which statement is true of all proteins?
- Answer: Their structure is related to their function.
What is the main benefit of genetic biodiversity?
- Answer: Genetic biodiversity helps populations adapt to environmental changes.
Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?
- Answer: Genetic factors caused the differences in flower color.
What is the name for one half of a chromosome?
- Answer: chromatid
Which statement about genetic material is correct?
- Answer: Chromosomes are made up of genes.
In pea plants, the allele for tall height, T, is dominant over the allele for short height, t. A pea plant has two different alleles for height. Which statement about the pea plant is correct?
- Answer: The phenotype for height is tall, and the genotype is Tt.
How are the terms homozygous and heterozygous different?
- Answer: Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.
How are the terms purebred and hybrid different?
- Answer: Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.
What is the scientific term for a section of a chromosome?
- Answer: gene
What is the scientific term used to describe a structural change in a gene?
- Answer: mutation
Which statement is an example of a beneficial mutation?
- Answer: A mosquito has a mutation that causes it to be more resistant to pesticides.
Which environmental factor would decrease plant growth?
- Answer: drought
What is the main function of camouflage?
- Answer: Camouflage helps organisms blend within their environment.
What is a phenotype of an organism?
- Answer: an observable trait
What is an allele?
- Answer: a form of a gene

Feel free to reach out if you have more questions or need further clarifications!