WorksheetsGenetics
Total questions: 16
Worksheet time: 8mins
Aa, DD, Bb, yy are all examples of _______
genotypes
phenotypes
The physical expression of a trait is called the ...
genotype
phenotype
Codominance
Genotype: TT is ...
homozygous dominant
homozygous recessive
heterozygous
Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?
1/4
2/4
3/4
4/4
Codominance
Genotype: Aa is ....
homozygous dominant
homozygous recessive
heterozygous
Which set of alleles are considered heterozygous?
HH
Hh
hh
Which of the following is a PHENOTYPE for flower color in pea plants?
Pp
PP
Purple
In humans, freckles (F) on the skin are dominant to no freckles (f). If a heterozygous parent and a recessive parent conceive, what is the chances of having a child with NO FRECKLES?
0%
50%
100%
This type of inheritance pattern is a MIXTURE of both traits. Example, one flower is red and the other flower is white but they reproduce a pink offspring.
In a population of bees, long wings (L) are dominant over short wings (l). Bees with long wings are ...
heterozygous only (Ll)
homozygous
dominant only (LL)
heterozygous or
homozygous
dominant (LL or Ll)
In guinea pigs, the allele for rough coat (R) is dominant over the allele for smooth coat (r). A homozygous dominant guinea pig and a homozygous recessive guinea pig are mated.
What would be the phenotype of the offspring?
100% rough coat
100% smooth coat
In the problem shown, what must the genotype of the missing parent be?
BB
Bb
bb
