GENETICS UNIT
What is significant about the work of Gregor Mendel? (Ch 11)
Define:
Trait
Hybrids
Genes
Alleles
Segregation
Gametes
Probability
What are the Laws of Probability?
What is a Punnett Square?
Define:
Homozygous:
Heterozygous:
Phenotype:
Genotype:
Complete the following crosses using a Punnett Square and list the genotype and phenotype
ratios
Where (T = Tall, t = short)
1.
TT x tt
2. Tt x Tt
Define and give examples:
Independent Assortment
Codominance
Multiple Alleles
Polygenic Traits
Complete the Dihybrid Cross (RrYy x RrYy)
Complete the Dihybrid Cross (RRyy x RrYy)
Define and give examples for the following modes of inheritance:
Complete Dominance:
Codominance:
Incomplete Dominance:
Sex-Linked:
Meiosis (Pg. 275-278)
Define:
Meiosis
Homologous
Diploid
Haploid
What are the phases of Meiosis:
Define:
Tetrad
Crossing Over:
Compare/Contrast Mitosis and Meiosis
Mitosis
Meiosis
Produces two genetically identical ______cells Produces four genetically different
__________cells
Circle the right answer
Circle the right answer
Haploid
Diploid
Haploid Diploid
DeoxyRiboNucleicAcid…….DNA!!
Describe the Hershey-Chase Experiment
Define
Bacteriophage
What did Hershey Chase discover?
What are the components of DNA?
Define:
Nucleotide
Nitrogenous Base
Explain Double Helix by drawing a DNA molecule below…
What are the rules for DNA nitrogenous base pairing?
Define:
Chromatin
Histones
DNA Replication
Who are Watson and Crick and what did they discover?
What is DNA Replication?
Define DNA Polymerase:
Draw and Label a DNA Replication Diagram Below
Define:
RNA
Protein Synthesis
Compare and Contrast: (Ch 12)
DNA
RNA
Describe the steps in Protein Synthesis: (Remember: DNA -> mRNA -> Protein)
Transcription
Translation
Draw and label protein synthesis below.
What are the major types of mutation events?
What is a Karyotype and how is it used? (Ch 14)
Describe how a human karyotype should appear:
Compare Monosomy and Trisomy: