need more food or more space for survival‚ and the life cycle for a fruit fly is about 2 weeks‚ and they share about 60% of DNA with Homo sapiens (NASA). In addition‚ there are many variations of Drosophila melanogaster such as genotypes and phenotypes. The main
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“try to understand what it is to be human” Biocultural approach: the relationship between what humans have inherited genetically and what they learn culturally Holistic: understanding people with all aspects of human nature Comparative: cross cultural Ethnocentric: a view that is centered on a specific ethnic group (usually ones own) belief in the superiority in ones ethnic group Cultural Relativism: a view that considers human interaction and behavior within their own culture. Sex vs. gender
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Process of Science What Can Fruit Flies Reveal about Inheritance? Lab Notebook Chi-Square test for Case 1 Phenotype Observed No. (o) Expected No. (e) (o-e) (o-e) 2 (o-e) 2 e Red eyes 3 Sepia eyes 1 2 (to the nearest ten-thousandth) Questions 1. Why is it important to remove the adults in the parental generation? It is important to keep the generations separate so that you know you are crossing only F1 flies. 2. What generation will their offspring be? The new offspring
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enable you to determine it you are heterozygous or homeqygous. Examples of this would be BB is homozygous‚ and BO is heterozygous. If the student has an A bloodtype‚ AO would be herterozygous while AA homozygous. The O blood type is always homozygous and AB blood type in always heterozygous. 3. Select a trait of interest. a. What is the trait? (1 point) b. What is the phenotype for the trait? Is this the dominant or recessive allele for the trait? (2 points) c. What are the possible genotypes for the parents
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from one generation to the next? Does the genes from both parent combine into 1 or are the inherited by a whole where 1 is express while the other stays dormant. Using Mendel’s Laws as a base for our experiment‚ we will determine the expected outcome of these traits to help determine how genes are passed down. We will learn see if genes are randomly passed down and which genes of the parents are more likely to be expressed in the off springs. If the genes are passed down as a whole‚ then how can we
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would be horned‚ polled‚ or dehorned‚ while calving ease would be considered a . Lastly‚ the two terms discussed above‚ are controlled by the . Ans. Trait‚ phenotype‚ phenotype‚ trait‚ genotype T or F GxE (genetics x environment) interaction does not play any role in determining the most appropriate biological type for a given environment. Ans. F Breeds are races of animals that are often not genetically adapted to different
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BSCI 222 – Principles of Genetics Required Homework #9 Chapters 16 & 17 – Gene Expression 1. Indicate the phenotypes of the following E. coli lac partial diploids in terms of the active enzymes synthesized. With lactose? Without lactose? a. I-P+O+Z+Y-/I+P-O+Z+Y+ - + b. I-P+OCZ+Y-/I+P+O+Z-Y+ + - c. I-P+OCZ+Y+/I-P+O+Z+Y - - d. I+P-OCZ+Y+/I-P+OC
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variation of alleles at several loci can be combined to provide a statistical evaluation of the likelihood of a particular set of alleles in a given population • Visible manifestation of variability (eye colour‚ hair colour) is called the phenotype • The genotype is the genetic description of the allele • In DNA analysis‚ locations (loci) that are polymorphic are purposely chosen. These loci exhibit variation among members of a population. The more variation there is at a locus‚ the more discriminating
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Chapter 1: Intro Independent Variable - variable you deliberately change during an experiment Theory - explanation based on a large number of experiments Hypothesis - educated prediction of cause and effect - what you test in an experiment Control - a zero or set form of the independent variable Dependent - variable you measure because you think it could change 7 characteristics: order‚ regulation‚ growth and development‚ energy processing‚ response to the environment‚ reproduction‚ evolutionary
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Name : ____________________________ Chapter 17: Life on Earth Activity designed by Kathleen Rudolph Taxa to explore – Elephants!! 1. Review terms (write definitions for these terms) Extant Extinct Genotype Phenotype Synapomorphy Background: There are three extant species of elephant: Elaphas maximus (Asian elephants)‚ Loxodonta africana (African elephants)‚ and Loxodonta cyclotis (African forest elephants). Their taxonomic hierarchy is as follows: Kingdom: Animalia Phylum: Chordata
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