Unit 8 Question Preview (ID: 24050)


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An allele that can be masked or covered up by another allele, is known as the ________ allele.
a) recessive
b) dominant
c) homozygous
d) heterozygous

_____ is the study of how traits are passed from parent to offspring.
a) heredity
b) genetics
c) Mendel
d) Punnett

BB or Bb is an organism's _____.
a) genotype
b) phenotype
c) recessive alleles
d) dominant alleles

The allele that is written as a capital letter and shows up in an organism is the ______ allele.
a) dominant
b) recessive
c) homozygous
d) heterozygous

When both alleles of the parent or offspring are identical, one is said to the _______.
a) recessive
b) dominant
c) homozygous
d) heterozygous

On a Punnett Square where are the female alleles located?
a) side
b) top
c) bottom
d) They are not listed.

On a Punnett Square where are the male alleles located?
a) top
b) side
c) bottom
d) They are not listed.

A heterozygous gene is when the alleles present are ____________, such as Bb.
a) different
b) same
c) both dominant
d) both recessive

For an offspring to display a recessive trait, both parents must have at least one _______ allele in their genotype.
a) recessive
b) dominant
c) homozygous
d) heterozygous

Which of the following is considered to be heterozygous?
a) Bb
b) bb
c) BB
d) TT

Which of the following is considered to be homozygous dominant?
a) BB
b) Tt
c) tt
d) bb

The physical characteristic resulting from a genetic cross is a(n) _________.
a) trait
b) allele
c) gene
d) Punnett Square

What is an exact copy of an organism?
a) clone
b) trait
c) genome
d) reproduction

What is ALL the DNA in a cell?
a) Genome
b) Allele
c) Domain
d) Trait

What disease has been helped with genetic engineering through the production of insulin?
a) Diabetes
b) Cystic Fibrosis
c) Dwarfism
d) Sickle Cell Anemia

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