Download Ch.3.2 vocab 6th grade

Name: _________________________________
Section: _________________________________
Date: _________________________________
Vocabulary Words for Chapter 3.2 Probability and Heredity Probability
Genotype
Punnett Square
Homozygous
Phenotype
Heterozygous
SECTION 1:
Directions: Re-write each vocabulary word three times on the lines provided. SPELLING
DOES COUNT!
1. Probability
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
2. Punnett Square
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
3. Phenotype
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
4. Genotype
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
5. Homozygous
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
6. Heterozygous
a. ___________________________________________________________
b. ___________________________________________________________
c. ___________________________________________________________
SECTION 2: Directions: Match the vocabulary word with the correct definition by
placing the letter of the definition next to the word.
_____ Probability
_____ Punnett Square
_____ Phenotype
_____ Genotype
_____ Homozygous
_____ Heterozygous
a) An organism that has two different alleles for a trait.
b) An organism’s physical appearance or visible trait.
c) A number that describes how likely it is that an event will occur.
d) An organism’s genetic makeup or alleles.
e) A chart that shows all the possible ways alleles can combine in a genetic
cross.
f) An organism that has two identical alleles for a trait.
SECTION 3:
Directions: Write the full definition of the vocabulary word on the space provided.
1. Probability:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
2. Punnett Square:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
3. Phenotype:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
4. Genotype:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
5. Homozygous:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
6. Heterozygous:
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
SECTION 4:
Directions: Fill in each sentence with the appropriate word to complete the definition.
1. The ____________________ is an organism’s genetic makeup or alleles.
2. _________________ is a number that describes how likely it is that an event
will occur
3. A chart that shows all the possible ways alleles can combine in a genetic
cross is called a ___________________ _______________________.
4. An organism that has two different alleles for a trait is called
___________________.
5. An organism’s physical appearance or visible trait is its
______________________.
6. _________________________ means an organism has two identical alleles
for a trait.