Pcb 3063 - Study guides, Class notes & Summaries

Mus musculus is a mammalian species used as a model organism in biologytrue Alternative forms of a gene are called allelestrue during meiosis, sister chromatids (not homologs) separate at anaphase of meiosis IItrue the diplod number of chromosomes for humans is 46true in structured genetic crosses, the term F1 refers to the first filial generationtrue a pachytene-stage bivalent contains four chromatidstrue prokaryotic cells lack a nuclear envelopetrue

Prophase 1 - ️️Key difference: homologous chromosomes are not autonomous 1. synapsis 2. bivalent 3. tetrad 4. sister chromatids pull apart 5. chiasma ing over What happens when the beta protein is mutated in sickle cell anemia? - ️️-low oxygen -distorts cell shape -fragile cells -cells block flow in capillaries genotype - ️️set of alleles for a trait carried by an organism The Central Dogma - ️️DNA to Phenotype Transcription - ️️Dna to Rna Translation - ️️R...

Prokaryote Can make multiple proteins from one operon Eukaryote -They have operons if they have a plastid or mitochondria -Operon like features have been found in organisms like yeast -Gene regulation in eukaryotic cells takes place at multiple levels transcriptional control Operon A unit made up of linked genes which is thought to regulate other genes responsible for protein synthesis Mus Musculus The most important model organism in human genetics Model for human diseases Immunogeneti...

Name the individual who, while working with the garden pea in the mid-1850s, demonstrated quantitative patterns of heredity and developed a theory involving the behavior of hereditary factors. - ️️Gregor Mendel which are desirable qualities in a model organism? - ️️Model organisms can be easily grown. Model organisms include nematodes and zebrafish. Model organisms share common genetic mechanisms with other organisms. Genetics is the study of ________. - ️️heredity and variati...

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PCB 3063 Exam 3 Study Guide Solutions The 1˚and 2˚molecular structure of DNA - ANSWER-Its function: to store, replicate, and transmit genetic information The 3˚structure of DNA - ANSWER-Determines its ability to express the encoded information as a phenotype DNA's 3˚structure must be flexible and dynamic - ANSWER-A vast amount of genetic information must be packed into a cell of limited size This material must be tightly condensed for chromosomes to move as individual units during ...

PCB 3063- Exam 1 Hughes Practice Questions and Answers Alternative forms of a gene are called ________. - ANSWER-alleles Genetics is the study of ________. - ANSWER-heredity and variation The phenotype of an organism is __________. - ANSWER-the observable features of an organism Name the individual who, while working with the garden pea in the mid-1850s, demonstrated quantitative patterns of heredity and developed a theory involving the behavior of hereditary factors. - ANSWER-Gregor Mend...

Genetics PCB 3063 Exam 3 Study Guide Solutions Nucleotide - ANSWER-Repeating structural unit of DNA and RNA. Composed of a nitrogenous base, a sugar, and a phosphate. Purines - ANSWER-Two fused heterocyclic rings A, G Pyrimidines - ANSWER-One single heterocyclic ring T, U, C Nucleotide Sugars - ANSWER-Ribose Deoxyribose (Base is always attached to C-1' of the sugar. Phosphates - ANSWER-Can be attached to the C-5' of the sugar. Deoxyribonucleo-side - ANSWER-Base + Sugar ©EMILLE...