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1 Topic 3: Genetics (Student) Essential Idea: The inheritance of
1 Topic 3: Genetics (Student) Essential Idea: The inheritance of

Genetics Test - adaptedcurriculumresources
Genetics Test - adaptedcurriculumresources

... ____ 14. An organism that has two identical alleles for a trait is a. heterozygous. b. tall. c. homozygous. ____ 15. A heterozygous organism has a. three different alleles for a trait. b. two identical alleles for a trait. c. only one allele for a trait. ...
Chapter 7 (Genetics of Organisms)
Chapter 7 (Genetics of Organisms)

... Gregor Mendel's work was done about 140 yrs. ago, but even now much of what we know about genetics is based on Mendel's work and illustrated by it. Gregor Mendel was born in 1822 on a farm in Heinzendorf, Austria. At age 21 entered the Augustinian order of the Roman Catholic Church. As a monk he - s ...
1 - CSUN.edu
1 - CSUN.edu

... a) expected genotype frequencies are given by (p + q + r + s) 2 = 4 b) expected genotype frequencies are (aa, ab, ac, ad, bb, bc, bd, cc, cd, dd) = 1 c) heterozygosity is expected to be = 2pq + 2pr + 2ps + 2qr + 2qs + 2rs d) this locus is tetraploid e) answers c and d are both correct 32. A populati ...
Genetics – Test 2 - The Biology Corner
Genetics – Test 2 - The Biology Corner

... 5. Blood types: If one parent has type A blood and another parent has type B blood, what are ALL the possible blood types of the children. You do not know the parents' genotypes. ...
Mendelian Genetics Test Review Sheet
Mendelian Genetics Test Review Sheet

... 7. The closer the genes are on the chromosome, the ________________ the likelihood of crossing over. Therefore the frequency of crossing over between any two linked genes is proportional to the____________ between them. 8. What is a Locus? 9. Describe each of the following modes of inheritance: ...
BIO II: Mendelian/Human Genetics Test Review Sheet A couple who
BIO II: Mendelian/Human Genetics Test Review Sheet A couple who

... 7. The closer the genes are on the chromosome, the ________________ the likelihood of crossing over. Therefore the frequency of crossing over between any two linked genes is proportional to the____________ between them. 8. What is a Locus? 9. Describe each of the following modes of inheritance: ...
Chapter 6 Meiosis and Mendel
Chapter 6 Meiosis and Mendel

...  Some genetic traits depend on dominant and recessive alleles.  Gene expression is often related to whether a gene is located on an autosome or on a sex chromosome.  Remember autosomes are all but the sex chromosomes and sex chromosomes determine gender. Disorders Caused by Recessive Alleles  So ...
Chapter 13 - UM Personal World Wide Web Server
Chapter 13 - UM Personal World Wide Web Server

... The Hardy Weinberg principle states that allele and genotype frequencies within a sexually reproducing, diploid population will remain in equilibrium unless outside forces act to change those frequencies ...
Chapter 13 DARWIN`S THEORY OF EVOLUTION
Chapter 13 DARWIN`S THEORY OF EVOLUTION

... The Hardy Weinberg principle states that allele and genotype frequencies within a sexually reproducing, diploid population will remain in equilibrium unless outside forces act to change those frequencies ...
Genetics Terms You’ve Gotta Know
Genetics Terms You’ve Gotta Know

... Homozygous: two alleles for a gene that are the SAME  Heterozygous: two alleles for a gene that are DIFFERENT  You get one allele from your mom and one from your dad.  If you get the same from your mom and dad, you are homozygous for that trait.  If your mom gave you a different allele than your ...
Population Genetics — BI 515 — Exam 1, Spring 2014 Answer the
Population Genetics — BI 515 — Exam 1, Spring 2014 Answer the

... 4. What factors influence effective population size in natural populations and what is the direction of their effects? 1)  Variation  in  population  size  over  time,  2)  variation  among  individuals  in  offspring  production  (i.e.,   greater  variation  than ...
Mendelian Genetics
Mendelian Genetics

...  is made up of _________________ (one from each parent)  ex: R= dominant allele; r= recessive allele (Always use the __________ letter for each trait!!)  when _________________alleles are combined  ____________________ or _________________  when ________________ alleles are combined  _________ ...
Document
Document

...  Give the genotype and phenotype for the following ...
AP Inheritance
AP Inheritance

... Not necessarily a child with it, though! Why? ...
11-2 Probability and Punnett Squares
11-2 Probability and Punnett Squares

No Slide Title
No Slide Title

... White did not disappear in F1! Purple is just DOMINANT ...
evolution 2017 - week 3
evolution 2017 - week 3

... comparison to only 0.1% in the general population. The low allelic frequency of 0.1% was also the allelic frequency of the original European population from which the Amish migrated. While the Amish live in close proximity to large, diverse human populations that would be capable of breeding, the cu ...
Genetics: The Science of Heredity
Genetics: The Science of Heredity

... • Genes: segment of DNA that carries the instructions for making traits • Alleles: different forms of a trait (we will use letters to represent the different forms) – Example: • Trait: hair color • Alleles would be: – Blonde – Brown – Black – Red – And any combination in between ...
MIDDLE SCHOOL GENETICS
MIDDLE SCHOOL GENETICS

... (R) IS DOMINANT OVER BROWN EYE COLOR (r). IF THE FLIES IN THE PICTURE WERE CROSSED, WHAT PERCENT OF THEIR OFFSPRING WOULD BE EXPECTED TO HAVE BROWN ...
video slide - Biology Junction
video slide - Biology Junction

... character separate (segregate) during gamete formation and end up in different gametes ...
Ch 14 Lecture
Ch 14 Lecture

... generation is: F2 = 9 Yellow, Round (Yy, Rr): 3 Yellow, Wrinkled (Yy, rr): 3 Green, Round (yy, Rr): 1 Green, Wrinkled (yy, rr) ** Whenever Mendel did a dihybrid cross, he always got the 9:3:3:1 ratio. This can be explained as the result of the “Law of Independent Assortment.” ...
Today’s Agenda - Tacoma Community College
Today’s Agenda - Tacoma Community College

... for a specific trait ...
LECTURE OUTLINE (Chapter 11) I. An Introduction to Mendel and
LECTURE OUTLINE (Chapter 11) I. An Introduction to Mendel and

... 3. Wide range of described characters, each of which had two varieties—such as white and purple flower color—called traits: Table 11.1. C. Phenotype and genotype—Phenotype is the physical function, bodily characteristic, or action. Genotype is the underlying genes that determine the phenotype. II. M ...
Complex Inheritance Patterns
Complex Inheritance Patterns

...  Sometimes the expression of one gene can affect the ...
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Inbreeding

Inbreeding is the sexual reproduction of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the term is used in human reproduction, but more commonly refers to the genetic disorders and other consequences that may arise from incestuous sexual relationships and consanguinity.Inbreeding results in homozygosity, which can increase the chances of offspring being affected by recessive or deleterious traits. This generally leads to a decreased biological fitness of a population (called inbreeding depression), which is its ability to survive and reproduce. An individual who inherits such deleterious traits is referred to as inbred. The avoidance of such deleterious recessive alleles caused by inbreeding, via inbreeding avoidance mechanisms, is the main selective reason for outcrossing. Crossbreeding between populations also often has positive effects on fitness-related traits.Inbreeding is a technique used in selective breeding. In livestock breeding, breeders may use inbreeding when, for example, trying to establish a new and desirable trait in the stock, but will need to watch for undesirable characteristics in offspring, which can then be eliminated through further selective breeding or culling. Inbreeding is used to reveal deleterious recessive alleles, which can then be eliminated through assortative breeding or through culling. In plant breeding, inbred lines are used as stocks for the creation of hybrid lines to make use of the effects of heterosis. Inbreeding in plants also occurs naturally in the form of self-pollination.
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