Heredity and Evolution Sample Questions for Class 10
Question 1
If the two alleles for one trait are the same (pp or PP), the person is for that trait.
A. homozygous
B. heterozygous
C. oozygous
D. nonfertile
Question 2
The genotype is a genotype with two different alleles.
A. heterozygous
B. homozygous
Question 3
What form of a gene seems to have no impact on a trait in a heterozygous state?
A. allele
B. inherited pattern
C. recessive allele
D. genotype
Question 4
When Gregor Mendel crossed a tall plant with a short plant, what did the F1 plants inherit?
A. an allele for tallness from each parent
B. an allele for tallness from the tall parent and an allele for shortness from the short parent
C. an allele for shortness from each parent
D. an allele from only the tall parent
Question 5
In a Hardy–Weinberg population with two alleles in equilibrium, A and a, the frequency of the allele a is 0.3. What is the percentage of the population that is homozygous for this allele?
A. 0.09
B. 0.49
C. 0.9
D. 9.0