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15 questions
Who was the Austrian monk that experimented on pea plants and is called the "father of genetics"?
Gregor Mendel
Charles Darwin
Francis Crick
James Watson
Different versions of a trait (tall or short, white or purple) are called
alleles
traits
versions
genes
Which of the following shows a dominant trait?
aa
Bb
cc
dd
The only way for a recessive trait to appear is for an organism to have
two dominant alleles
two recessive alleles
one dominant allele and one recessive allele
Which of the following is considered to be Homozygous Dominant?
AA
Aa
aa
Which of the following is/are considered to be purebreds? Select all that apply.
AA
bb
Dd
ee
Which of the following is considered to be Heterozygous?
AA
aa
Aa
Which of the following is/are an example(s) of a genotype? Select all that apply.
tall
purple
AA
wrinkled
bb
In pea plants, tall is dominant to short. If 2 heterozygous plants are crossed, what % of the offspring will be short?
0%
25%
50%
75%
In pea plants, purple is dominant to white. If a plant has a genotype of Pp, what is its phenotype?
purple
white
purple and white
In some plants, red and white are incompletely dominant. An offspring of a red flower and a white flower would be
red
white
red and white
pink
In cows, red and white hair is codominant. If you cross a red cow and a white cow, the offspring would be...
red
white
red and white
pink
In a dihybrid cross, what is the genotype for a plant that is heterozygous for height (T) and homozygous recessive for color (P)
Ttpp
TTPP
TtPp
TtPP
Based on this Punnett Square, which answer correctly describes the offspring?
3/4 are tall and purple
All are tall and purple
3/4 are short and white
All are short and white
Based on this Punnett Square, what is the chance of getting a female with white eyes?
0%
25%
50%
100%
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