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Parents and Offspring

Parents and Offspring

TEKS Objective

Demonstrate that some likenesses between parents and offspring are inherited, passed from generation to generation such as eye color in humans or shapes of leaves in plants. Other likenesses are learned such as table manners or reading a books and seals balancing balls on their noses.


Essential Understanding

The student knows that organisms undergo similar life processes and have structures that help them survive within their environment.

Science Background

The Genetics of Inherited Traits: BioEd Online (video) – Dr. Ron McNeel explains how genetic information is passed from one generation to the next during this 20-minute video segment.

The Genetics of Inherited Traits
BioEd Online, www.bioedonline.org

DNA From the Beginning: Cold Spring Harbor Laboratory (website) - Begin with “Classical Genetics,” and continue to “Molecules of Genetics” and “Genetic Organization and Control” for a detailed overview of how genetic characteristics are passed from one generation to the next, among other related topics. Includes extensive background information, video, interactive questions to test knowledge, and links to other resources.

DNA From the Beginning
Cold Spring Harbor Laboratory, www.dnaftb.org

What Is Heredity? Genetic Science Learning Center (website) - A slideshow/tutorial that explains how traits are passed from parents to offspring.

What is Heredity?
Genetic Science Learning Center, learn.genetics.utah.edu

Signature Lesson

Reebops - A model organism for teaching genetics concepts: BioEd Online (website) – In this updated version of a classic life sciences activity, students create imaginary creatures to demonstrate how hereditary information is passed from one generation to the next.

Reebops: A model organism for teaching genetics concepts
BioEd Online, www.bioedonline.org

Supporting Lessons

Family Traits Trivia: Genetic Science Learning Center (PDF) - In this take-home game/activity, students conduct inherited traits surveys of their families. In class, students chart and discuss their data and write descriptions of their discoveries to understand that 1) every person has a combination of traits that is unique to him or her, 2) some traits are inherited, and 3) other traits may be learned.

Family Traits Trivia
Genetics Science Learning Center, www.teach.genetics.utah.edu

Genetics for Kids Mini-lecture and Punnett’s Square Activity: Exploring Nature Educational Resource (website) - A brief overview of genetics and traits, followed by a simple Punnett’s Square activity for pea plants.

Genetics for Kids Mini-lecture and Punnett's Square Activity
Exploring Nature Educational Resource, www.exploringnature.org

Traits Bingo: Genetic Science Learning Center (PDF) - Genetics review activity in which students play a game of bingo focused on questions about their genetic traits. Includes a Spanish language version. (Might this also work as an assessment?)

Traits Bingo
Genetic Science Learning Center, www.teach.genetics.utah.edu

Elaboration Lessons and Extensions

Generations of Traits: Genetic Science Learning Center (PDF) - Hands-on activity during which students track and record the passage of colored “traits” through three generations of gingerbread “people,” thereby learning that that traits are passed from parents to offspring, and that siblings may or may not receive the same traits from their parents.

Generations of Traits
Genetic Science Learning Center, www.teach.genetics.utah.edu

Assessment Ideas

Ask the class, Do you resemble your brothers, sisters or cousins? Have students list the most notable traits of their brothers, sisters or close cousins, and then organize this information on a chart.

Have each student write an essay describing any resemblances between him/herself and his/her brothers, sisters and cousins, and providing a possible explanation for these similarities.

Literature Connections

Blame Your Parents: Inherited Traits. Silverman, Buffy (ISBN-13: 978-1410928580)

Animals and Their Young: How Animals Produce and Care for Their Babies. Hickman, Pamela (ISBN-13: 978-1553370628)

How Animals Care for their Babies. National Geographic (ISBN-13: 978-0792234074)

Who Grows Up in the Desert? Longenecker, Theresa (ISBN-13: 978-1404802063)

Who Grows Up in the Forest? Longenecker, Theresa (ISBN-13: 978-1404802070)

Who Grows Up in the Farm? Longenecker, Theresa (ISBN-13: 978-1404800298)

Who Grows Up in the Ocean? Longenecker, Theresa (ISBN-13: 978-1404802087)

Who Grows Up in the Snow? Longenecker, Theresa (ISBN-13: 978-1404802100)

Who Grows Up in the Rain Forest? Longenecker, Theresa (ISBN-13: 978-1404800274)

Related Science TEKS

(4.10A) Adaptations
The student is expected to explore how structures and functions of plants and animals allow them to survive in a particular environment.

(4.10C) Life Cycles
The student is expected to explore, illustrate, and compare life cycles in living organisms such as butterflies, beetles, radishes, or lima beans.
 

Related Math TEKS

4.13B    The student is expected to interpret bar graphs.
4.14A    The student is expected to identify the mathematics in everyday situations.
4.14B    The student is expected to solve problems that incorporate understanding the problem, making a plan, carrying out the plan, and evaluating the solution for reasonableness.
4.14C    The student is expected to select or develop an appropriate problem-solving plan or strategy, including drawing a picture, looking for a pattern, systematic guessing and checking, acting it out, making a table, working a simpler problem, or working backwards to solve a problem.

Additional Resources

An Introduction to Genes and Inherited Traits: BioEd Online (online course) – Develop your own knowledge and earn contact hour credit by taking this short online course. (Scroll down the page until you reach the course entitled: An Introduction to Genes and Inherited Traits.)

An Introduction to Genes and Inherited Traits
BioEd Online, www.bioedonline.org

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