Give an example of the three (3) options of the genotypes using the letter "T"
TT, Tt, tt
10
Give an example of homozygous dominant genotype using the letter "D"
DD
5
If the parent is heterozygous, is their phenotype dominant or recessive?
Dominant
10
Alleles are represented by....
letters
5
Dominant alleles are represented by what type of letter?
Capital or "big" letter
5
Recessive alleles are represented by what type of letter?
Lowercase or "little"
5
On a Punnett Square, the parents are located on....
the top and side
10
On a Punnett Square, each box represents what percentage?
25%
5
If a plant with purple flowers is crossed with a plant that has white flowers and ALL the offspring have purple flowers, which color is dominant?
Purple
10
The different forms of a gene are called...
alleles
10
An organism with 2 identical alleles for a trait is considered
homozygous (purebred)
5
A gene is...
all of the mentioned
a set of intsructions
segment of DNA
determines the phenotype
10
10) A TT (tall) plant is crossed with a tt (short plant). What percentage of the offspring will be tall?
4/4 - all - 100%
15
11) A Tt plant is crossed with a Tt plant. What percentage of the offspring will be short
1/4, 25%
15
12) A heterozygous round seeded plant (Rr) is crossed with a homozygous round seeded plant (RR). What percentage of the offspring will be homozygous round?
