WorksheetsBiology Genetics Quiz #2
Total questions: 16
Worksheet time: 1hrs 20mins
Snapdragon flowers display incomplete dominance. Red is dominant to white, but heterozygotes have pink flowers. If a red snapdragon and a pink snapdragon were crossed, what percentage of the offspring would be Red?
0%
25%
50%
75%
100%
In chickens, feather color is codominant. If a black chicken BB is mated with one that is black and white (BW) what are the chances of having a chicken that is black and white?
0%
25%
50%
75%
100%
A red flowered plant breeds with a White flowered plant. The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink flowers?
0%
25%
50%
75%
100%
Round seeds (R) are dominant to wrinkled seeds (r) in pea plants. If two heterozygous parents are crossed, what is the genotypic ratio?
1:2:2
2:2
3:1
1:2:1
Sickle cell anemia is an autosomal recessive disorder that affects the ability of blood to clot. If a woman with sickle cell anemia has children with a man who is heterozygous for sickle cell, what are the chances their child will have the disorder?
0%
25%
50%
75%
100%
Blood type exhibits multiple alleles and codominance. There are 4 blood types: A, B, AB, and O. If a heterozygous type B man and a type AB woman want to have a child, what are the chances that they will have a type B child?
0%
25%
50%
75%
100%
A man who is homozygous for type A blood marries a woman who is heterozygous for type B. What are the possible genotypes of their children?
AA, AB, AO
BB, AB
AB, AO
Ab
Duchenne muscular dystrophy (DMD) is a recessive sex-linked disorder which results in muscle degeneration. If a mother who is a carrier has children with a man who does not have DMD, what are the chances of their son having the disorder?
0%
25%
50%
75%
100%
Which genotype represents a female who is a carrier for hemophilia?
Which genotype represents a male with hemophilia?
A woman has the genotype of ii for her blood type. Her mother is heterozygous for A type. Which genotype can her father be?
IBi
IBIB
IAIB
IAIA
Fur color in guinea pigs is a codominant trait. A guinea pig with black and white fur has offspring with a guinea pig with white fur. What are the chances their baby will have black fur?
0/4
1/4
2/4
3/4
4/4
