LSC 347-Genetics Exam 1 UPDATED Questions and CORRECT Answers
0 view 0 purchase
Course
LSC 347-Genetics
Institution
LSC 347-Genetics
LSC 347-Genetics Exam 1 UPDATED
Questions and CORRECT Answers
Hereditary - CORRECT ANSWER- -From parents, passed from one gen to another
-Basis of retaining ancestral characteristics
Variation - CORRECT ANSWER- -Change, alternative forms, phenotypes, mutation,
combinations
-Basis of species...
LSC 347-Genetics Exam 1 UPDATED
Questions and CORRECT Answers
Hereditary - CORRECT ANSWER- ✔✔-From parents, passed from one gen to another
-Basis of retaining ancestral characteristics
Variation - CORRECT ANSWER- ✔✔-Change, alternative forms, phenotypes, mutation,
combinations
-Basis of species diversity
Genetics - CORRECT ANSWER- ✔✔Study of genes, hereditary and variation
Charles Darwin - CORRECT ANSWER- ✔✔Theory of natural selection: survival of the
fittest
Gregory Mendel - CORRECT ANSWER- ✔✔-Father of genetics
-Traits are passed from one generation to another
-Variations of traits
-Trait controlled by factors which separate during gamete (sex cell) formation
-Factors decided by allele, phenotype
-Pea plants
Walter Sutton & Thodor Boveri - CORRECT ANSWER- ✔✔Chromosomal Theory of
Inheritance:
-Inherited traits controlled by genes on chromosomes, transmitted through gametes
-Maintains genetic continuity
Oswald Avery, Colin MacLeod, & Maclyn McCarty - CORRECT ANSWER- ✔✔DNA is
genetic material
James Watson & Francis Crick - CORRECT ANSWER- ✔✔Structure of DNA:
,-Double stranded helix
-Complementary strands
-Nucleotide based strands (ATGC)
Nucleotide - CORRECT ANSWER- ✔✔Comprised of sugar, phosphate & nitrogenous base
Allele - CORRECT ANSWER- ✔✔Alternative/variant form of a gene
Gene - CORRECT ANSWER- ✔✔-DNA section that codes for specific protein/functional
RNA
-unit of inheritance
Central Dogma - CORRECT ANSWER- ✔✔DNA > RNA > Protein
- Exception of RNA genetic material (viruses)
Exceptions of Central Dogma - CORRECT ANSWER- ✔✔-When genetic material is RNA
(viruses)
-RNA > DNA > mRNA > proteins
Replication - CORRECT ANSWER- ✔✔DNA replicated to DNA
Transcription - CORRECT ANSWER- ✔✔-DNA transcribed to RNA
-Process of copying a gene's DNA sequence to make an RNA
Translation - CORRECT ANSWER- ✔✔-RNA translated to protein
-Proteins are synthesized
Genotype - CORRECT ANSWER- ✔✔genetic constitution; allelic distribution
Phenotype - CORRECT ANSWER- ✔✔physical attributes
, Recombinant DNA technology - CORRECT ANSWER- ✔✔Use of restriction enzymes to
insert foreign DNA into carrier DNA molecules (vector)
Biotechnology - CORRECT ANSWER- ✔✔Field of science using recombinant DNA tech &
molecular tech to make products
-Used in plants, animals, food supply, meds
Common models in genetics - CORRECT ANSWER- ✔✔Mice, corn, fruit fly (drosophila)
Genome - CORRECT ANSWER- ✔✔total genetic information carried by a cell/organism
Prokaryotic DNA organization - CORRECT ANSWER- ✔✔Organized into a circular
chromosome concentrated in nucleoid
Types of proteins that help supercoil bacterial chromosomes in nucleoid - CORRECT
ANSWER- ✔✔-Nucleoid associated proteins
-Structural maintenance proteins
Bacterial chromosome - CORRECT ANSWER- ✔✔-Linear/circular
-thousand of genes
-covered w/ protein
-large
-essential genes for survival
Plasmid - CORRECT ANSWER- ✔✔-Circular
-relatively small # genes
-not covered w/ protein
-small
-Carries nonessential genes that help the cell deal w/ stress
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
