Final Exam: Question Preview (ID: 19815)

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Differences between members of the same species
a) variations
b) adaptations
c) selections
d) predators

Process by which individuals that are better adapted to their environment are more likely to survive and reproduce
a) natural selection
b) competition
c) overproduction
d) variation

If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that the offspring will have black fur?
a) 100
b) 50
c) 75
d) 25

What happens during meiosis?
a) Chromosome pairs separate and are distributed into new sex cells
b) Two sex cells combine
c) Each sex cell copies itself to form four new chromosomes
d) Chromosome paris remain together when new sex cells are formed

Which combination of sex chromosomes results in a male human being?
a) XY
b) XX
c) YY
d) either XX or XY

What is a genome?
a) all the DNA in one cell of an organism
b) all the cells produced by meiosis
c) all the karyotypes in a cell
d) all the plasmids produced from inserting DNA into a cell

Which form of selective breeding crosses parents with the same or similar sets of alleles?
a) inbreeding
b) hybridization
c) cloning
d) fertilization

What must occur for a girl to be colorblind?
a) Each parent must have the recessive allele for colorblindness
b) Each parent must be colorblind
c) Each parent must have the dominant allele for colorblindness
d) Each parent must have two codominant alleles for colorblindness

Both parents of a child have type A blood. What might their child's blood type be?
a) Type A or Type O
b) Type A only
c) Type A or Type B
d) Type A or Type AB

An organism's physical appearance
a) phenotype
b) genotype
c) heterozygous
d) codominance

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