Download a. probability. b. heredity.

Date:
Class:
Name:
Ch. 8 Pre-Assessment "Heredity"
Multiple Choice
Identifu the choice that best completes the statement or answers the question.
l.
2.
The passing of traits from parents to offspring is called
a. probability.
b. heredity.
c.
d.
recessive.
meiosis.
What is a trait?
different forms of meiosis
different forms of a pedigree
c.
d.
different forms of chromatids
different forms of a characteristic
a.
b.
3.
The different forms of a gene that decides a characteristic are known as
c. albinism.
alleles
d. genes.
phenotypes.
4.
Instructions for an inherited trait are called
5.
a.
b.
a.
b.
7.
8.
9.
c.
d.
albinism.
genes.
Each parent gives one set ofthese to the offspring.
c. phenotypes
a. genes
b.
6.
alleles.
phenotype.
d.
alleles
meiosis
A plant with two dominant OR two recessive alleles is said to be
a.
b.
c.
d.
heterozygous.
cross-pollinating.
In a Punnett square, a capital letter stands for a
a.
b.
recessive
dominant
Dominant traits are traits that
a.
b.
are shared.
are visible.
Recessive traits are traits that
a.
b.
are shared.
are visible.
homozygous.
true-breeding.
c.
d.-
allele.
homozygous
heterozygous
c.
d.
are hidden.
none of these above.
c.
d.
are hidden.
none of these above.
Short Answer
10.
Put the following in order of smallest
a)
b)
to largest:
chromosome, gene, and cell.
c)
ID: A
ID: A
Name:
Other
Use the Punnett square below to answer the questions that follow.
jr"
r
?
rT
rT
??
ffi
11. What is the unknown genotype?
12. If
I represents the allele for tall pea plants and I represents the allele for short pea plants, what is the
phenotype of each parent and of the
a)
b)
offspring? (circle your answer
One of the parents and some of the
One of the parents and
choice)
ffipring are tall pea plants.
all of the offspring are short pea plants.
All of the parents and ffipring are short pea plants.
d) All of the parents and offspring are tall pea plants.
c)
Use this pedigree to answer the question below.
Square = males
Circle:females
13. Is this disorder
shade -- has the trait
half shade : only carries the trait
sex linked? Explain your reasoning.
full