Learning Outcome 24.1

1			Genes are segments of DNA that code for the _____.
			A)	trait of hair color
			B)	synthesis of proteins
			C)	muscle contraction
			D)	the function of insulin

Learning Outcome 24.8

2			The term __________ refers to having two different gene alleles.
			A)	homozygous
			B)	heterozygous
			C)	autosomal
			D)	karyotype

Learning Outcome 24.9

3			The genes for sickle cell anemia are inherited as a form of _____.
			A)	heterozygous recessive
			B)	autosomal recessive
			C)	incomplete dominance
			D)	codominance

Learning Outcome 24.15

4			Which of the following is associated with Down's syndrome?
			A)	XO
			B)	XYY
			C)	21, 21, 21
			D)	trisomy 22

Learning Outcome 24.8

5			If Chris, who carries the gene for cystic fibrosis, but does NOT have the disease, fathers a child with Rhonda, who also carries the cystic fibrosis gene, but does NOT have the disease, what is the likelihood that their first-born will have cystic fibrosis?
			A)	75% chance
			B)	50% chance
			C)	25% chance
			D)	0% chance

Learning Outcome 24.3

6			Theoretically, only 23 chromosomes are required to produce a normal human individual.
			A)	True
			B)	False

Learning Outcome 24.6

7			All humans have two sets of identical homologous chromosomes.
			A)	True
			B)	False

Learning Outcome 24.10

8			It is impossible to have a genotype for a trait and not have its phenotype.
			A)	True
			B)	False

Learning Outcome 24.7

9			Brown-eyed parents could not have a blue eyed child.
			A)	True
			B)	False

Learning Outcome 24.10

10			A person with blood type A will be completely genetically compatible with a transfusion from a donor with type A.
			A)	True
			B)	False