Welcome! The Topic For Today Is…. Quarter 1!

Your Topic UnoDosTresCuatroQue? Bonus Question: 5000 pts

Topic 1: 200 Question: What is another name for DNA? Answer The double helix or a twisted ladder

Topic 1: 400 Question: What is any change in a gene or chromosome called? Answer: A mutation

Topic 1: 600 Question: What is each identical rod in a chromosome called? Answer chromatids

Topic 1: 800 Question: 1. What do we call the different forms of a characteristic? 2. What are the different forms of a trait called? Answer Traits; alleles

Topic 1: 1000 Question: What does RNA do during protein synthesis? Answer: Copies the coded message from the DNA in the nucleus

Topic 2: 200 Question: What happens during Cytokinesis? Answer The cell splits into two new cells

Topic 2: 400 Question: Adenine pairs with what base? Answer Thymine

Topic 2: 600 Question: Which Nitrogen base in RNA is NOT part of DNA? Answer Uracil

Topic 2: 800 Question: Where is the genetic information stored in a cell? Answer The nucleus

Topic 2: 1000 Question: How does natural selection lead to evolution? Answer Individuals that are better adapted to their environment will survive and reproduce

Topic 3: 200 Question: Only traits controlled by ____ can be acted on by natural selection. Answer genes

Topic 3: 400 Question: A relationship where one species benefits and the other is neither helped nor harmed. Answer Commensalism

Topic 3: 600 Question: The role of an organism in it’s habitat. Answer niche

Topic 3: 800 Question: A trait that helps an organism survive and reproduce. Answer An adaptation

Topic 3: 1000 Question: What determines the Genetic Code? Answer: The order of nitrogen bases along a gene.

Topic 4: 200 Question: An organism that has two different alleles for a trait Answer Hybrid or heterozygous

Topic 4: 400 Question: An organism that has two identical alleles Answer Purebred or homozygous

Topic 4: 600 Question: Observations that deal with a number are? Answer Quantitative

Topic 4: 800 Question: An organisms genetic makeup or allele combinations Answer genotype

Topic 4: 1000 Question: The regular sequence of growth and division that cells undergo Answer The cell cycle

Topic 5: 200 Question: What are the basic units of living things? Answer Cells

Topic 5: 400 Question: What did Mendel study? Answer The genetic crossing of pea plants

Topic 5: 600 Question: Write out a section of DNA that would pair with: ATACCGA Answer TATGGCT

Topic 5: 800 Question: What is the probability of producing short plants from a cross between two hybrid tall plants? Answer 25%

Topic 5: 1000 Question: What is the chromosome theory of inheritance? Answer Genes are carried from parent to their offspring on chromosomes

Bonus Question: 5000 pts. Question: Describe DNA Replication. Answer The DNA strand unwinds, the nitrogen base pairs are split up, and then free nitrogen bases floating in the nucleus pair with up with the broken pairs, creating two identical DNA strands.