Lab pratical II practice questions

Daughter cells produced by meiosis are genetically identical to the parent cell.
True / False

False

DNA moves toward the positive electrode during gel electrophoresis.
True / False

True

Interphase is the shortest phase of the cell cycle.
True / False

False

Crossing over increases genetic variation.
True / False

True

Photosynthesis occurs in the mitochondria.
True / False

False

"AA" represents which type of genotype?
A. Heterozygous
B. Homozygous dominant
C. Homozygous recessive
D. Haploid

B. Homozygous dominant

What is the correct order of mitosis?
A. Metaphase → Prophase → Anaphase → Telophase
B. Prophase → Metaphase → Anaphase → Telophase
C. Anaphase → Prophase → Metaphase → Telophase
D. Prophase → Anaphase → Metaphase → Telophase

B. Prophase → Metaphase → Anaphase → Telophase

Which process produces haploid cells?
A. Mitosis
B. Meiosis
C. DNA replication
D. Cytokinesis

B. Meiosis

Which lab technique is used to amplify DNA?
A. Chromatography
B. Gel electrophoresis
C. PCR
D. Respirometry

C. PCR

In which phase do chromosomes line up in the middle of the cell?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

B. Metaphase

Which structure is responsible for photosynthesis?
A. Mitochondria
B. Ribosome
C. Chloroplast
D. Nucleus

C. Chloroplast

What is the purpose of chromatography?
A. Copy DNA
B. Separate pigments
C. Measure respiration
D. Break down proteins

B. Separate pigments

What is the correct order of PCR steps?
A. Annealing → Denaturation → Extension
B. Denaturation → Annealing → Extension
C. Extension → Annealing → Denaturation
D. Denaturation → Extension → Annealing

B. Denaturation → Annealing → Extension

Which of the following is NOT a source of genetic variation?
A. Crossing over
B. Independent assortment
C. DNA replication
D. Mutation

C. DNA replication

"Aa" is an example of a __________ genotype.

Heterozygous

If a diploid cell has 12 chromosomes, how many chromosomes will each gamete have after meiosis?

6

What is the term for different versions of a gene?

Alleles

During which phase of mitosis are sister chromatids pulled apart?

Anaphase

What is one way genetic variation is created during meiosis?

Crossing over OR independent assortment

Define phenotype.

Observable traits of an orgamism