Student Exploration: Mouse Genetics (One Trait AND Two Traits)
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Course
NURS
Institution
NURS
Vocabulary: allele, DNA, dominant allele, gene, genotype, heredity, heterozygous,
homozygous, hybrid, inheritance, phenotype, Punnett square, recessive allele, trait
Gizmo Warm-up
Heredity is the passage of genetic information from parents to
offspring. The rules of inheritance were discovered ...
Gizmo Warm-up
Heredity is the passage of genetic information from parents to
offspring. The rules of inheritance were discovered in the 19th
century by Gregor Mendel. With the Mouse Genetics (One Trait)
Gizmo™, you will study how one trait, or feature, is inherited.
1. Drag two black mice into the Parent 1 and Parent 2 boxes.
Click Breed several times. What do the offspring look like?
[All of the offspring will have black fur ]
The appearance of each mouse is also called its phenotype.
2. Click Clear, and drag two white mice into the parent boxes. Click Breed several times. What
is the phenotype of the offspring now? [ All offspring are white fured. ]
3. Do you think mouse offspring will always look like their parents? [Yes. But it will different
ways the offspring will very from the parent. ]
Explain: [ For example if your mom has sharp ears and your dad has flat ears, you could get a
mixture of both types of ears. ]_
Get the Gizmo ready:
Activity A:
● Click Clear.
Patterns of
● Drag a black mouse and a white mouse into the
inheritance
parent boxes, but don’t click Breed yet.
Question: What patterns are shown by offspring traits?
Downloaded by james mwangi (prowriters209@gmail.com)
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