Heredity And Environment Question Preview (ID: 37341)


Review Questions For Week 3: Life Science. TEACHERS: click here for quick copy question ID numbers.

An allele that overpowers (or dominates) in its expression
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous

Carries either two dominant alleles or two recessive alleles
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous

Carries both a dominant allele and a recessive allele
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous

An allele that will be overpowered (hidden in the background) if a dominant allele is also present
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous

The inherited combination of alleles
a) Phenotype
b) Genotype
c)
d)

The physical appearance seen from the alleles inherited
a) Phenotype
b) Genotype
c)
d)

Dominant alleles are shown with what type of letter?
a) Capital
b) Lower case
c)
d)

Recessive alleles are shown with what type of letter?
a) Capital
b) Lower case
c)
d)

Our cells usually have ______ chromosomes.
a) 38
b) 42
c) 46
d) 50

What is a hybrid?
a) Any animal
b) The result of two organisms of different species having offspring
c) A type of chocolate
d) A part of your DNA

In order to clone a sheep...
a) Scientists had to find a special type of sheep
b) Scientists traced a copy of the genes
c) Veterinarians had to put the genes to sleep and operate on them
d) Scientists had to wake up the sleeping genes in the animal

Punnett Squares...
a) Are a 2 x 2 matrix
b) Represent genetic probabilities
c) Have 4 squares in 1
d) all of the above

True or False: Character traits like kindness and courage are inherited.
a) True
b) False
c)
d)

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