WELCOME TO GENERAL BIOLOGY

 

NOVEMBER 11th

1. What are the functions of Mitosis and Meiosis?

2. What is the difference between chromatin and chromosomes?

3. What occurs in each of the following phases of Interphase:

G1 / S phase / G2

4. What happens during Prophase of Mitosis?

5. What are the other three phases of Mitosis and what occurs?

November 14th

1. Define the following terms:

gametes / haploid / zygote / diploid

2. What are homologous chromosomes?

3. What three results must occur by the end of Meiosis?

4. What two events happen in Prophase I (Meiosis) which lead to genetic diversity?

5. How can Meiosis I be distinguished from Meiosis II?

NOVEMBER 18th

1. What is Mendel's particulate theory?

2. What are the genotypes of "true breeding" plants (dominant and recessive phenotypes)?

3. What is the phenotypic ratio for a single trait heterozygous cross?

4. What are the gametes for the following:

YySs / Aa

5. Why do men show x-linked (sex-linked) recessive traits more frequently than women?

NOVEMBER 20th

1. Define or give an example of the following:

Incomplete dominance/ CoDominance/Multiple alleles/ Pleiotropism/ Epistasis/ Polygenic Inheritance

2. What is the genetic cause of Sickle cell anemia?

3. Why is Huntington's disease unusual?

4. What is the term used for chromosome number errors?

5. Describe the genotypes and phenotypes of the following:

Turner syndrome/ Trisomy/ Klinefelter syndrome/ Super males?

NOVEMBER 25th

1. What are the components of a DNA nucleotide?

2. Name the 4 enzymes used during the process of DNA replication. What are the functions of each enzyme?

3. When a new stand of DNA is being formed, in which direction will it be formed?

4. If the original DNA stand is

TACGGCAAT - What is the replicated strand?

5. What are the functions of each of the RNA molecules (mRNA, tRNA, rRNA)?

DECEMBER 2nd

1. What enzyme is necessary for transcription? What is the start or promotor site?

2. If the DNA strand is TACCCCGTG, what would the mRNA be?

3. During translation, what occurs during Initiation? Start with the "start" codon.

4. How are the amino acids actually bound together?

5. If a point mutation occurs, what are the three possiblities for the resulting protein?

DECEMBER 4th

1. How is DNA fingerprinting accomplished?

2. What are the three parts to Darwin's Theory of Evolution?

3. What five principles must exist for the Hardy-Weinberg equilibrium to occur (no evolution)?

4. If a population decreases in size, what process can start to affect it?

5. Define the following:

Directional selection / Stabilizing selection / Disruptive selection