Font size
Worksheetsgenetics
Total questions: 18
Worksheet time: 5hrs 30mins
________________ is the study of how traits are passed on,or inherited
dominant traits
ratio
phenotype
genetics
An organisms's allele combination is known as
phenotype
hybrid
mutation
genotype
. An organism that has two identical alleles for a trait designated by two uppercase letters
homozygous dominant
heterozygous
homozygous recessive
Who is the "father of genetics"?
Gregor Mendel
Oswald Avery
Craig Venter
Charles Darwin
Heterozygous is when...
the alleles are present
the alleles are absent
the alleles are different
the alleles are the same
One form of a gene is called_______________
a DNA
an allele
a trait
a Phenotype
bb crossed with BB, what is the probability of Bb?
25%
50%
100%
0%
An organism's appearance or other observable characteristics:
dominant
genotype
recessive
phentoype
Y= yellow pod
y= green pod
What is the percentage of yellow pod when you cross a hybrid pod plant with a purebred green pod plant?
100%
75%
50%
25%
The genotype is:
the genetic makeup of an organism.
the physical appearance of an organism.
the deletion of a chromosome.
the passing of traits from parent to offspring.
Two identical alleles for a trait is known as
codominance
mutation
heterozygous
homozygous
What does RR mean
one dominant and one recessive allele
at least one dominant allele
heterozygous alleles
two dominant alleles
What are the possible genotypes for this cross?
Tt = 100%
TT= 75% tt = 25%
all tall
TT = 25% Tt= 50% tt=25%
What are the phenotype percentages of the offspring?
50%-AA
25%-Aa
25%-aa
75%-Aa
25%-aa
25%-AA
50%-Aa
25%-aa
50 %-Aa
50% -AA
The passing of traits from parent to child is known as _______________.
heredity
gene
DNA
RNA
What is a trait?
A type of organelle found within a cell.
Our talents that make us behave the way we do
Traits are the physical things that make us look the way we do, they may influence how we behave, and also our talents, abilities, and disease risks.
Inheritable talents that are passed on in our families
Which trait will not likely be influenced by the environment?
Our Eye Color
How good we are at math
Ability to play basketball
Height
This image is called a ____________
punnett square
square
rectangle
triangle
