Download Patterns of Inheritance Worksheet #1

Name: _______________________________
Date: ________________________________
Due: ________________________________
Patterns of Inheritance Worksheet #1
Magic Squares Activity for Genetics Terminology
Directions: Select the correct definition for each of the terms from your notes. Put the number in the
proper cell in the magic square box. If the total of the numbers are the same both across and down, you
have found the magic number! Write this number in the blank below the magic square box.
Terms
A.
B.
C.
D.
E.
F.
G.
H.
I.
Genetics
Heredity
Trait
Allele
Phenotype
Genotype
Homozygous
Heterozygous
Dominance
Definitions
1. one of a number of different forms of the same gene for a specific trait
2. a form of a gene that is expressed even if present with a contrasting recessive allele
3. a section of DNA that carries encoded information about a specific trait
4. the biological principle that recognizes that some alleles are dominant and some are recessive
5. a characteristic that a living thing can pass on to its offspring
6. a word describing an organism that has two different alleles for a particular trait
7. the passing of traits from parents to their young
8. the physical characteristics of an organism
9. the branch of biology that studies traits and their inheritance
10. a form of a gene that is only expressed when two copies are present
11. a word describing an organism that has two identical alleles for a particular trait
12. the genetic makeup of an organism
A
Magic Square Box (9 pts)
B
C
D
E
F
G
H
I
Magic Number = ___________ (1 pt)
In guinea pigs…
Black hair is dominant to white hair (use B and b)
Long hair is dominant to short hair (use L and l)
Small ears are dominant to large ears (use E and e)
1. Give the GENOTYPE for the homozygous individual with… (1 pt)
Black hair
White hair
Black, long hair
Black, short hair
White, long hair
White, short hair
Black, long hair and small ears
Black, short hair and large ears
White, long hair and small ears
_______
_______
_______
_______
_______
_______
_______
_______
_______
2. Give the GENOTYPE for the heterozygous individual with… (1 pt)
Black hair
Black, long hair
Black, long hair and small ears
_______
_______
_______
3. Give the PHENOTYPE for the following individuals. See examples in question #1. (1 pt)
BB
Bb
bb
BBll
BBLl
Bbll
BbLL
BbLl
bbLLee
BbLlEe
BbllEe
Bbllee
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