1. Make the “Magic Window” Foldable
Genetics Vocabulary
Make the “Magic Window” Foldable

2. On the front of your foldable – label one long side “genetics” and the other long side “vocabulary – ch. 13.1”
Dominant
Recessive
Genotype
Phenotype
Homozygous
Heterozygous
Alleles
Gene
Gregor Mendel
Chromosome

3. Dominant:
Recessive:
An allele that is always expressed if present. (Example: if one person has a brown eye gene and blue eye gene they will have brown eyes because it is dominant.)
An allele that must be in pairs to be expressed. (Example: A person must have two blue eye genes to have blue eyes.)

4. The genetic makeup of an organism.
Genotype-
Phenotype –
The genetic makeup of an organism.
The physical appearance of an organism
Example: Heterozygous (Rr)
Example: Brown Hair

5. When the alleles are the same. When the alleles are different.
Homozygous –
Heterozygous –
When the alleles are the same.
When the alleles are different.
Example: RR rr GG gg
Example: Rr Gg Hh

6. Allele –
Gene –
The different versions of genes. Can be either dominant or recessive. They come in pairs, one from each parent.
Part of your DNA which contains instructions for a single trait.

7. Gregor Mendel – The “father of genetics” – a monk who studied pea plants and explained the basics of genetics
Chromosome –
A threadlike structure, made of DNA, that carries information to control inherited characteristics (Humans have 23 pairs)

8. On the back of your foldable – fill in these terms
Trait
Heredity
Genetics H h HH Hh hh
DNA
Protein

9. Trait –
Heredity –
a characteristic that is given from parents to offspring through reproduction
The passing of traits from parents to offspring

10. Genetics –
H –
The study of inherited characteristics
the symbol for a dominant allele

11. h –
HH –
symbol for a recessive allele
Homozygous Dominant

12. Hh – Heterozygous
hh – Homozygous Recessive

13. DNA – deoxyribonucleic acid; self-replicating; in chromosomes; carrier of genetic information
Protein – Nitrogen containing organic compounds that genes code for.

14. XX –
XY –
Human Female sex chromosomes (the last pair)
Human Male sex chromosomes (the last pair)