Which of the following best explains why Mendel’s work was important to the field of genetics?

He explained how traits are inherited from one generation to the next.

He created the first genetic mutation.

Why did Mendel choose pea plants for his experiments?

They are easy to grow and have easily observable traits.

They are the only plants with genes.

How did Mendel’s use of mathematics help him understand heredity?

He used it to count and analyze the patterns of traits in offspring.

He used it to measure plant height.

He used it to water the plants.

How did Mendel’s findings challenge the blending theory of inheritance?

He showed that traits are inherited as discrete units, not blended.

He proved all traits blend together.

He showed traits are lost over generations.

He showed only dominant traits are inherited.

Which of the following best explains why Mendel’s experiments are still relevant today?

They provide the foundation for modern genetics.

They are outdated and no longer used.

A Punnett Square is used to:

Predict the probability of genetic outcomes

Suppose you are given the results of a genetic cross and asked to explain why the observed ratio does not match the expected Mendelian ratio. What could be a possible reason?

Random chance or small sample size

The laws of genetics have changed

Imagine you are a scientist in Mendel’s time. How would you design an experiment to test the inheritance of flower color in pea plants?

Cross plants with different flower colors and record the color of offspring over several generations.

Measure the height of the plants.

Given the following data from a monohybrid cross: 75 yellow seeds and 25 green seeds, use evidence to determine the most likely genotypes of the parent plants.

Both parents are homozygous dominant.

One parent is homozygous dominant, the other is homozygous recessive.

Both parents are homozygous recessive.

A student claims that crossing two heterozygous tall plants ( $$Tt$$ ) will always produce only tall offspring. Use reasoning and evidence to support or refute this claim.

Refute; a $$Tt \times Tt$$ cross can produce tall and short offspring.

Support; all offspring will be tall.

Support; only dominant traits are inherited.

Refute; only short offspring will be produced.

Suppose you are analyzing a family pedigree and notice that a certain trait appears to skip generations. Using Mendel’s principles, what could you infer about the inheritance pattern of this trait?

The trait is caused by the environment.

Mendel and Punnett Squares Quiz

Authored by Emma Seiler

Science

8th Grade

30 Questions

MS covered

Used 4+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is known as the "father of genetics" for his foundational work on heredity?

Charles Darwin

Gregor Mendel

Louis Pasteur

James Watson

Tags

MS.SCI.L.8.2B.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the physical expression of a genetic trait?

Genotype

Phenotype

Chromosome

Allele

Tags

MS.SCI.L.8.2B.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a dominant trait in Mendel’s pea plant experiments?

Green seed color

Yellow seed color

Wrinkled seed shape

White flower color

Tags

MS.SCI.L.8.2B.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool is used to predict the possible genetic outcomes of a cross?

Microscope

Punnett Square

Thermometer

Beaker

Tags

MS.SCI.L.8.2B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a monohybrid cross, what is the probability of producing a homozygous recessive offspring if both parents are heterozygous?

25%

50%

75%

Tags

MS.SCI.L.8.2B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call the different forms of a gene?

Chromosomes

Alleles

Nucleotides

Proteins

Tags

MS.SCI.L.8.2B.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes Mendel’s Law of Segregation?

Genes are always inherited in pairs.

Each parent contributes one allele for each trait.

All traits are inherited together.

Only dominant traits are passed on.

Tags

MS.SCI.L.8.2B.2

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Mendel and Punnett Squares Quiz

Who is known as the "father of genetics" for his foundational work on heredity?

What is the term for the physical expression of a genetic trait?

Which of the following is a dominant trait in Mendel’s pea plant experiments?

What tool is used to predict the possible genetic outcomes of a cross?

In a monohybrid cross, what is the probability of producing a homozygous recessive offspring if both parents are heterozygous?

What do we call the different forms of a gene?

Which of the following best describes Mendel’s Law of Segregation?

Which of the following is NOT a basic principle discovered by Gregor Mendel?

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