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WorksheetsHeredity
Total questions: 46
Worksheet time: 1hrs 22mins
Two parents have type O blood. What will the blood type of their children be?
O
They can have all four types of blood
Either A or O
AB
Which of the following is an example of incomplete dominance?
A red cow and a white bull have a red and white spotted calf.
Human ABO blood types
A red flowering plant and a white flowering plant have pink flowered offspring.
A tall plant and a short plant have tall offspring.
In peas, yellow pod color is dominant to green pod color. Two heterozygous parents are crossed. What are the chances that the offspring will have green pods?
25%
50%
75%
100%
In peas, yellow pod color is dominant to green pod color. Two homozygous dominant parents are crossed. What are the chances that the offspring will have green pods?
0%
25%
50%
75%
A woman has type AB blood and her husband has type O blood. The doctor tells them their child has type O blood. She thinks this is very strange. Why?
She can't be the mother of a type O child.
Her husband can't be the father of a type O child.
Type O blood is very rare.
There's nothing strange about it.
If a man is color blind, can he pass the trait on to his sons?
Yes
No
Only if his mother was color blind.
Only if his father was color blind.
Male patterned baldness is a recessive sex linked trait. How can a woman have it?
A woman can have it if she has two alleles for it.
A woman can have it if her father had it.
A woman can have it if she has one allele for it.
A woman can't have male patterned baldness.
In a dihybrid cross, how many boxes does the punnet square need to have?
2
4
8
16
In horses, coat color has incomplete dominance. A horse with one allele for black coat and one allele for cream coat will have the color known as buckskin. If two buckskin horses have a baby, what are the potential coat colors it could have.
It can only be buckskin.
It will be either buckskin or cream colored.
It will be either black or cream.
It could have any of the three possible coat colors.
A white flowered plant is crossed with a red flowered plant. The two traits have codominance. What color are the offspring?
Red
White
Red and white spotted
Pink
Where are chromosomes found?
vacuole
cell membrane
nucleus
mitochondria
The passing of physical characteristics, or traits, from parent to offspring.
Genetics
Dominant allele
Heredity
Recessive allele
The different forms of a gene.
Genes
Allele
Phenotype
Pedigree
If a gene is always expressed or always shown with a capital letter it is
Bossy
Recessive
Yelling
Dominant
tt
(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))
A male rabbit GGbb crossed with a female rabbit with ggBb.
How many out of 16, have grey fur and black eyes?
4
8
12
16
How can two parents with brown eyes have a child with blue eyes?
The parents may both have a recessive gene for blue eyes.
The child was born during the winter
Eye color in humans is not an inherited trait
The child was deprived of oxygen during its birth
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
In the punnett square below, what belongs in the missing square
In the punnett square, what is the probability for white fur?
In this pedigree, which gender can be carriers of colorblindness and not have it?
Just males
Just females
Both genders
