1) Choose the best answer. A(n) ___ is a trait determined by several genes.

	pleiotropy
	inherited trait
	polygenic trait
	physical trait

2) Choose the best answer. The dominant allele is not completely dominant when paired with a recessive allele. The offspring's trait is intermediate, somewhere between the traits of the two parents. This is called _____.

	incomplete penetrance
	modifying gene
	regulating gene
	intermediate expression

3) Choose the best answer. Two alleles are dominant and both characteristics will show up in the offspring. This is called _____.

	triploidy
	pleiotropy
	polyploidy
	codominance

4) Choose the best answer. One trait controlled by several alleles is called _____.

	pleiotropy
	triploidy
	polyploidy
	multiple-allele series

5) Choose the best answer. These traits are controlled by alleles located on the sex chromosomes. These are called _____.

	pleiotropy
	sex-linked traits
	triploidy
	multiple-allele series

6) Choose the best answer. One gene controls several traits. This is called _____.

	incomplete penetrance
	triploidy
	polygenic
	pleiotropy

7) Choose the best answer. Alleles for certain disorders will double with succeeding generations, causing more severe symptoms in the offspring. This is called _____.

	stuttering alleles
	triploidy
	polyploidy
	modifying genes

8) Choose the best answer. ______ shows which traits are passed on to which organism throughout the generations.

	A DNA tree
	Pedigree mapping
	Pedigree showcasing
	A cladogram

9)Choose the best answer using the picture. A poodle is bred with a lab to make a labradoodle. What type of inheritance is shown?

	Indeterminate expression
	Incomplete dominance
	Polyploidy
	Polygenic

10)Choose the best answer using the picture. For the breeding, these are the genotypes: Very curly fur = HH Straight fur = hh Wavy fur = Hh If a poodle and lab with the genotypes of Hh and Hh have offspring, predict how many offspring will have wavy fur, straight fur, or very curly fur. Choose the correct Punnett square.

	h	H
H	Hh	Hh
h	hh	hh

	H	h
h	hH	hH
h	hh	hh

	H	h
H	HH	Hh
h	Hh	hh

	h	h
H	Hh	Hh
h	Hh	hh

11)Choose the best answer using the picture. For the breeding, these are the genotypes: Very curly fur = HH Straight fur = hh Wavy fur = Hh If a poodle and lab with the genotypes of Hh and Hh have offspring, predict how many offspring will have wavy fur, straight fur, or very curly fur. What is the probability of wavy fur offspring?

	100%
	75%
	50%
	25%

12)Choose the best answer using the picture. For the breeding, these are the genotypes: Very curly fur = HH Straight fur = hh Wavy fur = Hh If a poodle and lab with the genotypes of Hh and Hh have offspring, predict how many offspring will have wavy fur, straight fur, or very curly fur. What is the probability of straight fur offspring?

	50%
	75%
	25%
	100%

13)Choose the best answer using the picture. For the breeding, these are the genotypes: Very curly fur = HH Straight fur = hh Wavy fur = Hh If a poodle and lab with the genotypes of Hh and Hh have offspring, predict how many offspring will have wavy fur, straight fur, or very curly fur. What is the probability of very curly fur offspring?

	75%
	25%
	50%
	100%

14)Choose the best answer. If a roan cow (WR) is crossed with a red bull (RR), what would be the genotype of their offspring? Choose the correct Punnett square.

	W	R
r	Wr	rr
r	Wr	rr

	W	R
R	WR	RR
R	WR	RR

	w	R
R	wR	Rr
R	wR	RR

	W	R
r	Wr	rr
r	wr	Rr

15)Choose the best answer. If a roan cow (WR) is crossed with a red bull (RR), what type of inheritance does a roan cow have?

	codominance
	intermediate expression
	incomplete dominance
	polygenic traits

16)Choose the best answer. If a roan cow (WR) is crossed with a red bull (RR), what is the probability of an offspring being a roan cow?

	75%
	50%
	25%
	100%