Genetics Question Preview (ID: 18716)


Genetics Review For IA 4. TEACHERS: click here for quick copy question ID numbers.

The genetic code of an organism is its
a) genotype
b) phenotype
c) allele
d) trait

The physical appearance/ traits of an organism is its
a) genotype
b) phenotype
c) allele
d) chromosome

What do the letters on the outside of a punnett square represent
a) The offsprings phenotype
b) The offsprings genotype
c) The parents phenotype
d) The parents genotype

A parent with genotype Tt has offspring with a parent with genotype TT, what is the percent chance the offspring shows the dominant trait
a) 100%
b) 75%
c) 50%
d) 25%

In elephants T gives tusks, and t gives no tusks. If a Tt elephant has babies with a Tt elephant, what are the chances the elephant does not have tusks?
a) 50%
b) 25%
c) 75%
d) 100%

B= spots, b= no spots. A dog with traits Bb has puppies with another Bb dog. What are all of the possible genotypes of their offspring?
a) BB, Bb, bb
b) BB, Bb
c) Spots, No spots
d) spots

B= spots, b= no spots. A dog with traits Bb has puppies with another Bb dog. What are all of the possible phenotypes of their offspring?
a) BB, Bb, bb
b) BB, Bb
c) Spots, no spots
d) spots

Why in Bb do you see the dominant trait?
a) Because the capital letter is bigger
b) Because capital B wins
c) Because there are more capital B's
d) Because capital B is dominant

Where do you get your genes
a) Chromosomes from your parents sperm and egg
b) Alleles from your parents sperm and egg
c) Chromosomes from your parents body cells
d) Alleles from your parents body cells

What are the possible genotypes if you see the dominant trait?
a) GG, Gg
b) GG, gg
c) Gg
d) Gg, gg

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