
Unit 6: Heredity
Presentation
•
Science
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8th Grade
•
Practice Problem
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Easy
Standards-aligned
Myra Lopez
Used 11+ times
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5 Slides • 11 Questions
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Unit 6: Heredity
Spring Semester 2023
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What is heredity?
Heredity is the passing on of inherited characteristics genetically from one generation to another.
Examples:
A mother and father with brown eyes having a child with brown eyes.
An aphid (insect) passing on its green color to its offspring.
An oak tree passing on its genetic information to the next generation.
3
Multiple Choice
Which of the following best describes heredity?
A student learning how to read in school.
The passing of blood from parent to offspring.
The transfer of genetic information from parent to offspring.
The largest puppy in the litter getting all the food.
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Genetic Information = Genetic Material
Genes --> DNA --> Chromosomes --> Nucleus --> Cell
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Plant cell stores genetic information inside the nucleus!
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2 parents
Diverse offspring
50% of DNA from each biological parent
Sexual Reproduction
1 parent
Uniform offspring
100% of DNA passed from parent to offspring through mitosis (makes copies)
Asexual Reproduction
Two types of Reproduction
7
Multiple Choice
Which image shows asexual reproduction?
Image A
Image B
8
Multiple Choice
Which image shows sexual reproduction?
Image A
Image B
9
Multiple Choice
Which image shows diverse offspring?
Image A
Image B
10
Multiple Choice
Which image shows uniform offspring?
Image A
Image B
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Multiple Choice
Which of the following statements is correct?
Chromosomes are a segment of DNA.
DNA is found only in the blood.
Chromosomes have less genetic information than a gene.
A gene is a segment of DNA that holds genetic information for individual traits.
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Multiple Choice
Where is genetic information stored that determines blood type?
Inside the nucleus
On the cell membrane
In the cytoplasm
Inside every organelle
13
Multiple Choice
Which organisms produce diverse offspring?
Black Mold
Bell Tree Dahlia
Spruce
Hyrda
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Multiple Select
Which organisms produce uniform offspring? (more than one answer)
Black Mold
Bell Tree Dahlia
Spruce
Hyrda
15
Multiple Choice
In binary fission, a parent cell divides in two creating a _____ _____ offspring.
beautifully intelligent
strong independent
genetically identical
genetically diverse
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Multiple Choice
The cell in the picture is reproducing through binary fission. A form of asexual reproduction. Which statement correctly describes the process occurring in the image?
pass on genetic information to its offspring through heredity.
teach its offspring to look and act like it.
form offspring that learn to look like the parent through factors in the environment.
hold onto some genetic material so that its offspring only get so of its traits.
Unit 6: Heredity
Spring Semester 2023
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