Heredity medium

Heredity Quiz (Medium)

1. Mendel's law of independent assortment states that:

a) Genes are inherited independently of each other b) Homozygous individuals have the same alleles c) Alleles of a gene separate during gamete formation d) Traits are determined by multiple genes

2. What is the term for an organism that has two identical alleles for a particular trait?

a) Purebred b) Homozygous c) Heterozygous d) Recessive

3. If a pea plant (Tt) with the genotype for tall height (T) and short height (t) is crossed with a purebred tall pea plant (TT), what will be the phenotypic ratio of the offspring?

a) 3:1 tall to short b) 1:2:1 tall to medium to short c) 1:1 tall to short d) 1:1 tall to medium

4. In humans, the presence of freckles (F) is dominant to the absence of freckles (f). If a heterozygous individual (Ff) has children with a homozygous recessive individual (ff), what is the probability that their offspring will have freckles?

a) 25% b) 50% c) 75% d) 100%

5. In a genetic cross between two individuals heterozygous for a particular trait (Aa x Aa), what is the chance of getting a homozygous recessive offspring?

a) 25% b) 50% c) 75% d) 0%

6. If an individual has two identical alleles for a particular trait, they are said to be:

a) Heterozygous b) Homozygous c) Hybrid d) Recessive

7. The genetic makeup of an individual for a particular trait is known as:

a) Phenotype b) Genotype c) Hybrid d) Recessive

8. The genotype of a purebred tall pea plant is:

a) tt b) Tt c) TT d) tT

9. Which of the following represents a heterozygous genotype?

a) BB b) bb c) Bb d) bB

10. Which of the following represents a homozygous recessive genotype?

a) tt b) Tt c) TT d) tT