Genotypes And Phenotypes Question Preview (ID: 57701)


Basic Genotype And Phenotype Concepts. TEACHERS: click here for quick copy question ID numbers.

How many alleles make up a genotype?
a) 1
b) 2
c) 3
d) 4

Which of the following is an example of a homozygous recessive genotype?
a) Aa
b) AA
c) aa
d) AB

Which of the following is and example of a heterozygous genotype?
a) Aa
b) AA
c) aa
d) BB

W-wings and w-wingless; what trait will a heterozygous dragon have?
a) wIngs
b) no wings
c) one wing
d) I don't know

A parent can only pass on ____ of their alleles for each trait to their offspring.
a) 1
b) 2
c) 3
d) 4

In rabbits, black fur is dominant to white fur. What is the genotype for a white rabbit?
a) Bb
b) bb
c) BB
d) AB

If long fur is recessive to short fur, can a long haired cat pass on a short haired allele?
a) Yes, because the long haired cat could carry the hidden trait and can pass on either trait.
b) Yes, because the long haired cat has two dominant alleles and will pass on the short haired trait.
c) No, because long haired cats and short haired cats can't mate.
d) No, because a long haired cat doesn't have the dominant short haired allele to pass on.

In dragons, three toes are dominant to four toes. What is the genotype for a three toed dragon?
a) AA only
b) Aa only
c) aa
d) AA or Aa

Which of the following is an example of a phenotype?
a) AA
b) Blue eyes
c) aa
d) heterozygous

If brown eyes are dominant to blue eyes, what trait would a homozygous brown eyed person and a heterozgygous person have?
a) Both will have blue eyes
b) The first will have blue eyes and second will have brown eyes
c) The first will have brown eyes and second will have blue eyes
d) Both will have brown eyes

A person is heterozygous for a trait that follows Mendel's rule of dominance. Which allele will be hidden/not expressed?
a) The dominant allele
b) The recessive allele
c) Both dominant and recessive will be hidden
d) Neither, it will be a blended trait.

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