Introduction To Heredity
10 Questions
| Total Attempts: 106
Questions and Answers
- 1.Select all options that are hereditary traits in humans.
- A.
Ability to play basketball
- B.
Eye color
- C.
Dimples
- D.
Length of hair
- E.
Length of big toe
- F.
Musical talent
- 2.Acquired skills are...
- A.
Learned
- B.
Inherited
- C.
Useless in nature
- D.
Passed on by genes
- 3.In pea plants, a single pair of genes controls seed color. Each one of these genes in the pair is called ...
- A.
A gamete
- B.
A copy
- C.
An allele
- D.
A trait
- 4.A hybrid refers to ...
- A.
An individual that has two different alleles for a trait
- B.
An trait in which both alleles in a pair are identical
- C.
An individual that has brown eyes
- D.
A cross between two species
- 5.Someone who has blue eyes because she has one allele for blue eyes from her mother and one allele for blue eyes from her father is said to be...
- A.
A hybrid
- B.
A purebred for eye color
- C.
Heterozygous
- D.
A mutant
- 6.In pea plants, when a purebred tall plant is crossed with a purebred short plant, all the offspring are short. What can you deduce about each allele in the trait?
- A.
Tall plants are recessive
- B.
Tall plants are dominant
- C.
Short plants are dominant
- D.
No deductions can be made after only one cross.
- 7.A breeder crosses white rabbits with brown rabbits and gets a mix of brown and white rabbit babies. He then crosses two of these offspring and gets a litter of 5 baby rabbits. What generation are these last litter of rabbits?
- A.
P1
- B.
F1
- C.
F2
- D.
R3
- 8.Select all the traits in pea plants that Mendel experimented with.
- A.
Seed color
- B.
Seed shape
- C.
Flower color
- D.
Leaf odor
- E.
Termite resistance
- 9.Mendel found that the weaker trait disappeared in the F1 generation but always re-appeared in the F2 generation in what ratio?
- A.
50%
- B.
60%
- C.
25%
- D.
10%
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