Bio 2 - Warm-up Quiz #11
- 1.Gametes must be haploid because ___.
- A.
Gametes are small and can hold only the haploid number of chromosomes
- B.
Fertilization results with a haploid zygote
- C.
Two gametes will unite during fertilization to create a diploid cell
- D.
The gametes’ chromosomes will be replicated prior to cell division
- 2.
![What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? - ProProfs]( "What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?")
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?- A.
0 in 4
- B.
1 in 4
- C.
2 in 4
- D.
4 in 4
- 3.What is the probability that a heterozygous black-fur rabbit will produce white-fur offspring if its mate is a homozygous recessive rabbit?
- A.
P = 1/4
- B.
P = 1/2
- C.
P = 3/4
- D.
P = 1
- 4.
![The picture shows a student’s experiment with a common aquatic plant. Which change in this experiment is most likely to increase the volume of oxygen gas that accumulates in the top of the tube? - ProProfs]( "The picture shows a student’s experiment with a common aquatic plant. Which change in this experiment is most likely to increase the volume of oxygen gas that accumulates in the top of the tube?")
The picture shows a student’s experiment with a common aquatic plant. Which change in this experiment is most likely to increase the volume of oxygen gas that accumulates in the top of the tube?- A.
Use fewer plants
- B.
Replace the beaker with a larger container
- C.
Move the light source closer to the beaker
- D.
Reduce the amount of water
- 5.Both male and female rats have genotype Bb. Based on a Punnett square, Carol concluded that the phenotypic ratio of the monohybrid cross is 2:1:1. What mistake did Carol make?
- A.
The ratio should be 2:1
- B.
The ratio should be 1:2:1
- C.
The ratio should be 3:1
- D.
The ratio should be 1:1:1:1
- 6.In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "cross over" and exchange genetic information?
- A.
Prophase II
- B.
Anaphase I
- C.
Prophase I
- D.
Metaphase II
- 7.All the individuals of a species that live in a particular area are called a ___.
- A.
Population
- B.
Fossil
- C.
Genus
- D.
Group
- 8.The total permanent disappearance of a species from Earth is called ___.
- A.
Extinction
- B.
Coevolution
- C.
Equilibrium
- D.
Natural selection
- 9.What is the term for a molecule that combines with enzymes, undergoes a chemical reaction, and changes into new substances?
- A.
Substrate
- B.
Synthetic
- C.
Peptide
- D.
Protein
- 10.DNA is composed of nucleotide subunits, each of which contains a ___.
- A.
Ribose molecule
- B.
Phosphate group
- C.
Uracil base
- D.
Protein
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