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Mountain Lion Genetics
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Mountain Lion Genetics
📚 Part 1: Multiple Choice & Check
1. Which definition best describes an allele?
A different form of the same gene
A tiny mountain lion
A tool for measuring traits
A unit of the environment
2. Using B = brown (dominant) and b = tan (recessive): a mountain lion with genotype Bb will have what fur color?
Brown
Tan
Half brown, half tan
Impossible to tell
3. In a cross of Bb × bb, what percent of offspring are expected to have brown fur?
0%
25%
50%
100%
4. Check all statements that are true about traits and alleles:
A dominant allele can mask a recessive allele
The environment can influence how a trait appears
Two recessive alleles always produce the dominant trait
Punnett squares help predict possible offspring traits
✏️ Part 2: Punnett Squares & Short Answers
5. Complete this Punnett square for Bb × Bb. Fill each box with the correct genotype.
Parents: Top = B | b Left = B , b
Fill the 2×2 boxes below (write genotypes in each):
Box 1: _______ Box 2: _______
Box 3: _______ Box 4: _______
5a. Genotypic ratio (write as numbers):
5b. Phenotypic ratio for fur color (brown : tan):
6. If two tan mountain lions (bb × bb) mate, what will the offspring be (genotype and phenotype)?
7. In one sentence, explain why two parents that look brown can sometimes have a tan offspring.
8. Draw activity: Sketch two parent mountain lions—label one Bb and the other bb. Then draw one possible offspring and write its genotype and phenotype.
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