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Mendelian & Nonmendelian Genetics

Authored by Natalie Estes

Biology

9th - 12th Grade

NGSS covered

Used 1K+ times

Mendelian & Nonmendelian Genetics
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This quiz comprehensively covers Mendelian and non-Mendelian genetics concepts appropriate for high school biology students in grades 9-12. The questions assess fundamental genetic principles including dominant and recessive alleles, genotype versus phenotype, homozygous and heterozygous conditions, and Mendel's laws of segregation and independent assortment. Students must demonstrate mastery of Punnett square construction and interpretation, calculate probability ratios for genetic crosses, and understand advanced inheritance patterns such as incomplete dominance, codominance, multiple alleles, polygenic inheritance, and sex-linked traits. The quiz requires students to apply mathematical reasoning to genetic problems, interpret visual representations of genetic crosses, and distinguish between various non-Mendelian inheritance patterns using real-world examples like blood types, flower colors, and physical traits in different organisms. Created by Natalie Estes, a Biology teacher in the US who teaches grades 9-12. This quiz serves as an excellent formative assessment tool to evaluate student understanding of both basic and advanced genetic concepts before moving to more complex topics in molecular genetics. Teachers can use this as a comprehensive review before unit exams, assign it as homework to reinforce classroom instruction, or implement it as a warm-up activity to gauge student readiness for laboratory exercises involving genetic crosses. The varied question formats make it ideal for differentiated instruction, allowing students to demonstrate their understanding through vocabulary recognition, problem-solving, and application of genetic principles. This assessment aligns with NGSS standards HS-LS3-2 and HS-LS3-3, which require students to make claims about inheritance patterns and apply mathematical concepts to support explanations of genetic variation in sexually reproducing organisms.

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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Recessive alleles may not be expressed because they are

masked by the dominant allele
the least common allele in the population
the most common allele in the population
less likely to having crossing over

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Refer to the illustration. Which box in the Punnett square represents a child who does not have freckles

box 1
box 2
box 3
box 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does heterozygous mean?

An organism that has the same genes for a trait (TT or tt)
An organism that has different genes for a trait (Tt)
When neither gene is fully dominant; offspring is a mixture of both
the different forms of a trait (hair color--> brown, blonde, red

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the punnett square shown, what must the genotype of the missing parent be?

BB
Bb
bb
Tt

Tags

NGSS.HS-LS3-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Having two of the SAME alleles for a trait (example HH or hh):

homozygous
heterozygous
recessive
dominant

Tags

NGSS.HS-LS3-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An organism's genetic make-up:

phenotype
genotype
dominant
recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An organism's appearance or other observable characteristics:

phentoype
genotype
recessive
dominant

Tags

NGSS.HS-LS3-1

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