What is the difference between a genotype and phenotype?

a genotype is the genetic makeup of an organism and the phenotype is the physical characteristics

a genotype is the physical characteristics and a phenotype is the genetic makeup of an organism

In silkworms a single gene determines the color of the cocoon. The yellow cocoon allele is dominant. It is indicated by "Y". The white allele is recessive, and indicated by "y". In a cross, a heterozygous dominant male fertilizes a homozygous recessive female. What are the genotypes of the parents?

both parents have yellow cocoons

one parent has a yellow cocoon and the other parent has a white cocoon

Nose color is an inherited trait in dogs. Two puppies from the same set of parents have different color noses. One puppy has a pink nose and one puppy has a black nose. What causes the puppies to have different color noses?

The pink-nosed puppy and the black nosed puppy different combinations of the genes for nose color.

The pink-nosed puppy and the black nosed puppy must have different sets of parents.

The pink-nosed puppy has a different number of chromosomes than the black nosed puppy.

The pink nosed puppy and the black nosed puppy have different chromosomes for the two nose colors.

In tulips, alleles for purple petals are dominant to alleles for white petals. Which of the following explanations BEST describes what color petals the tulip will have if they inherit one dominant allele for purple petals and one recessive allele for white petals?

The tulip will have purple petals because the allele for purple petals is dominant, and the dominant allele always masks the recessive allele.

The tulip will be pink petals because the two alleles blend to make a new trait.

The tulip will have an unknown color of petals because petal color does not have a consistent pattern of inheritance.

The tulip will have white petals because the allele for white petals is recessive, and the recessive allele always masks the dominant allele.

Genetics Vocab Remediation Quiz

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-2

Standards-aligned

Jillian Armistead

Used 3+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

the passing of traits from parents to offspring

genes

heredity

chromosomes

genetics

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

the scientific study of heredity

genes

chromosomes

genetics

traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

structures inside the nucleus of eukaryotes that is made of genes

chromosomes

heredity

genetics

traits

Tags

NGSS.HS-LS3-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

factors that control traits; strands of DNA

chromosomes

heredity

genetics

genes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

physical characteristics of organisms

chromosomes

genes

traits

genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

an organism that has two different alleles for a trait

heterozygous

homozygous

dominant

recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

an organism that has two identical alleles for a trait

heterozygous

homozygous

dominant

recessive

Tags

NGSS.HS-LS3-1

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Genetics Vocab Remediation Quiz

30 questions

the passing of traits from parents to offspring

the scientific study of heredity

structures inside the nucleus of eukaryotes that is made of genes

factors that control traits; strands of DNA

physical characteristics of organisms

an organism that has two different alleles for a trait

an organism that has two identical alleles for a trait

an allele whose trait is masked or hidden in the presence of a dominant allele

an allele whose trait always shows up in the organism

having a mix of alleles

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