. During sexual reproduction, each parent contributes...

one strand of chromosomes, or half of the new organism's DNA

a dominant gene and a recessive gene.

If purple flowers are dominant in a plant and white flowers are recessive in that plant, then when purple-flowered plants with two dominant genes are mated with white-flowered plants with two recessive genes, the first generation of offspring should have

50% purple flowers and 50% white flowers

75% purple flowers and 25% white flowers

Heredity

Quiz

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Biology

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7th Grade

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Practice Problem

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-2, HS-LS3-3

Standards-aligned

Frederick Barrett

Used 2K+ times

FREE Resource

About this resource

This quiz covers the fundamental principles of heredity and genetics, appropriate for 7th grade middle school students. The questions assess students' understanding of core genetic concepts including the definition of heredity, dominant and recessive traits, genotype versus phenotype, sexual reproduction, and basic inheritance patterns. Students need to grasp that traits are passed from parents to offspring through genes located on chromosomes, understand the difference between dominant traits (always expressed) and recessive traits (only expressed when two copies are present), and recognize how genetic tools like Punnett squares predict offspring characteristics. The quiz also introduces more advanced concepts such as probability in genetics, the role of sex cells in reproduction, selective breeding practices, and pedigree analysis for tracking traits through family generations. Created by Frederick Barrett, a Biology teacher in the US who teaches grade 7. This comprehensive assessment serves multiple instructional purposes in the genetics unit, functioning effectively as a formative assessment tool to gauge student understanding before moving to more complex genetic crosses and inheritance patterns. Teachers can deploy this quiz as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom learning, or use it as a review tool before summative assessments. The variety of question formats, from basic vocabulary to application problems involving genetic crosses, makes it ideal for differentiated instruction and identifying areas where students need additional support. This quiz aligns with NGSS standards MS-LS3-1 (genetic factors determining traits) and MS-LS3-2 (sexual reproduction and genetic variation), providing teachers with valuable data on student mastery of essential genetic literacy skills required for high school biology preparation.

Heredity

15 questions

Heredity is the passing of traits from _ to _

___________________________ is the study of how traits are passed on, or inherited.

The traits of an organism are passed to its offspring on small coded strands of DNA material called?

If a child has red hair, they inherited a certain _______________ from their parents.

One trait that is ALWAYS present and causes the other traits to disappear is a ________________________

True or False: Recessive traits are ALWAYS present

. During sexual reproduction, each parent contributes...

Offspring receives two sets of _____________ (one from each parent)

_____________________ is the appearance of an organism, or how it looks

A ________________________ is used to predict the possible genotype from certain parents

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Heredity

15 questions

Heredity is the passing of traits from _____________________ to _____________________

___________________________ is the study of how traits are passed on, or inherited.

The traits of an organism are passed to its offspring on small coded strands of DNA material called?

If a child has red hair, they inherited a certain _______________ from their parents.

One trait that is ALWAYS present and causes the other traits to disappear is a ________________________

True or False: Recessive traits are ALWAYS present

. During sexual reproduction, each parent contributes...

Offspring receives two sets of _____________ (one from each parent)

_____________________ is the appearance of an organism, or how it looks

A ________________________ is used to predict the possible genotype from certain parents

Access all questions and much more by creating a free account

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Heredity is the passing of traits from _ to _