1. Genetics is the scientific study of .
inheritance

2. Parents pass to their offspring.
genes

3. What does letter A represent?
Chromosome C A B

4. What does letter B represent?
DNA C A B

5. What does letter C represent?
Gene C A B

6. A gene is a that contains the instructions for making . segment of DNA
one
specific
protein
Fur protein
(keratin)
Fur color gene
Hemoglobin gene

7. DNA: instructions for proteins Gene: instructions for protein all one
Eye color
Tail length
Fur color
Blood type

8. Genes are passed from parent to offspring through the
(sex cells).
gametes

9. Gametes combine during the process of .
fertilization

10. Since combine during fertilization, offspring receive of each gene. 2
gametes 2
copies
Egg
Sperm
Gene
Gene
Gene
Offspring
Gene

11. Trait: eye color
Blue
Blue
Blue
Blue

12. Trait: eye color
Brown
Blue
Brown
Blue

13. Alleles are of a gene caused by , resulting in slightly . different
versions
different
sequences of
nucleotides
different
proteins
Fur color gene
Fur color gene G C T G C A T A C T A G C A G T T G
Black
Tan C G A C G T A T G A T C G T C A A C
Fur color gene C G A G C T C T A
Gray G C T C G A G A T

14. Different genes or different alleles?
Gene: scale color
Green
allele
Purple
allele
Blue
allele
Red
allele

15. Different genes or different alleles?
Gene: hair texture
Straight allele
Wavy
allele
Curly
alelle

16. Different genes or different alleles?
Gene: fur length
Short allele
Long
allele

17. Different genes or different alleles?
Gene: flower position
Top
allele
Side
allele

18. Different genes or different alleles?
Tail gene
Silk gene
Hair gene

19. Different genes or different alleles?
Mane gene
Stripe gene

20. Different genes or different alleles?
Gene: stripes
Tan and brown stripes
White and black stripes

21. Different genes or different alleles?

22. Different genes or different alleles?

23. Different genes or different alleles?

24. Different genes or different alleles?
Head shield gene
Venom gene

25. Gene: hair color Alleles:
The word “gene” is more The word “allele” is more
general
specific
Gene: hair color
Dark brown
Dark red
Light red
Brown-black
Alleles:
Blonde
Auburn
Black

26. Why do different alleles make different proteins?
Different sequence of nucleotides
Green allele
Blue allele
Purple allele
Brown allele

27. C A T G A T G G A T G U A C U A C C U A
New alleles are produced by .
mutation C A T G A T G G A T G U A C U A C C U A
Val
Tyr
His
Leu

28. A labradoodle is an example of a . hybrid
Curly allele
Straight allele

29. Hybrids are the offspring of . parents with different alleles
Curly allele
Straight allele

30. Alleles may in a hybrid, or one allele may be than another. blend
stronger
BROWN
HAZEL

31. Is the offspring a hybrid or non-hybrid?

32. Is the offspring a hybrid or non-hybrid?

33. Is the offspring a hybrid or non-hybrid?