Biology
Genetics & Inheritance
Grade 12 · High School
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
The scientist known as the father of genetics for his research on inheritance in pea plants is ...
- Question 2 of 20Easy
The genetic makeup that is not visible from the outside is called ...
- Question 3 of 20Easy
A trait that appears in offspring and masks another trait is called ...
- Question 4 of 20Easy
A monohybrid cross between two heterozygotes (Aa x Aa) gives a phenotypic ratio of ...
- Question 5 of 20Easy
Blood type AB in humans is an example of ... inheritance.
- Question 6 of 20Easy
Sex determination in normal humans is determined by the ... chromosomes.
- Question 7 of 20Medium
A dihybrid cross between two heterozygotes (AaBb x AaBb) gives a phenotypic ratio of ...
- Question 8 of 20Medium
A test cross is performed by crossing an individual of unknown genotype with an individual that is ...
- Question 9 of 20Medium
A father has blood type AB and the mother has blood type O. The possible blood types of their children are ...
- Question 10 of 20Medium
Hemophilia and color blindness in humans are linked to the ... chromosome.
- Question 11 of 20Medium
Crossing a red four o'clock flower (MM) with a white one (mm) produces pink offspring. This shows ... inheritance.
- Question 12 of 20Medium
An individual with genotype AaBb can form ... types of gametes.
- Question 13 of 20Medium
Blood type in the ABO system is controlled by ...
- Question 14 of 20Medium
A color-blind man (XᵇY) marries a homozygous normal woman (XᴮXᴮ). All daughters will be ...
- Question 15 of 20Hard
If two heterozygotes are crossed and produce 8 offspring, the expected number with a homozygous recessive genotype is ...
- Question 16 of 20Hard
A plant with genotype AaBb is crossed with aabb. The phenotypic ratio of the offspring is ...
- Question 17 of 20Hard
In a dihybrid cross AaBb x AaBb, the number of AABB offspring out of 64 plants is ...
- Question 18 of 20Hard
A woman who is a hemophilia carrier (XᴴXʰ) marries a normal man (XᴴY). The chance that a son has hemophilia is ...
- Question 19 of 20Hard
In a family, both parents are normal but have a child with albinism. The parents' genotypes are ...
- Question 20 of 20Hard
In humans, the expected ratio of male to female offspring for each birth is ...