WorksheetsTraits, Genes, and Heredity
Total questions: 16
Worksheet time: 14mins
Small segments of DNA that carry the instructions for the traits organisms have is called (a) .
Genes are located on (a) .
Traits controlled by your genes and passed down from your parents are called (a) .
Traits that are learned are called (a)
(use the word traits in your answer)
Each of your traits has two genes called d_____ and r____.
(Type "and" in the answer)
(a)
Two of the same gene is called (a) .
Two different genes is called (a) .
Passing of traits from parent to offspring is refered to as (a) .
Humans have (a) pairs of chromosomes
If an individual has the genotype Bb, they are _____.
heterozygous
homozygous dominant
heterozygous recessive
homozygous recessive
An organism’s genetic makeup (alleles) is known as its (a) .
An organism’s physical appearance is known as its (a) .
Fill in the missing parts
of the Punnet Square.
BB and BB
BB and Bb
BB and bb
bb and bb
Fill in the missing parts
of the Punnet Square.
BB
bb
Bb
Dd
In a certain pepper plant, hot flavor is dominant (H) to
mild (h) flavor. If you cross two heterozygous plants, what
percentage of the offspring will have hot flavor?
25%
50%
100%
75%
Brown fur (B) is dominant over white fur (b) in rabbits.
What is the probability of brown fur in offspring between
a heterozygous brown rabbit and a homozygous recessive
white rabbit?
25%
50%
75%
100%
