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GENETICS The Science of Heredity
GENETICS The Science of Heredity

... Baby Steps through Punnet Squares.url ...
Changes in Gene Pools
Changes in Gene Pools

... individuals separate from their original population and find a new population. • Allele frequencies likely to not be the same as those of original population ...
Basic Forensic Genetics
Basic Forensic Genetics

5.2 Probability and Heredity
5.2 Probability and Heredity

... 7.2.9 Students know plant and animal cells contain many thousands of different genes and typically have two copies of every gene. The two copies (or alleles) of the gene may or may not be identical, and one may be dominant in determining the phenotype while the other is recessive. ...
Population Genetics
Population Genetics

... i.e. 1814 British colony founded on an island One individual was a carrier for retinitis pigmentosa which causes blindness Harmful recessive (aa) By the 1960’s 4 people had disease, 9 others carriers ...
slides - UBC Botany
slides - UBC Botany

... 43.75% aa ...
A1 / THEME 1 – A3: GENETICS. Série S/ES/L
A1 / THEME 1 – A3: GENETICS. Série S/ES/L

... are favored by natural selection have greater fitness than others because of their alleles (pair of ...
Title - Iowa State University
Title - Iowa State University

... True breeding, cross pollinated, self bred F1s and determined and counted traits What were 3 important choices he made to structure his study? 1. True breeding - self fertilized 2. Work with discrete, categocial characters - either/or 3. Tracked for 3 generations What results did he find? Offspring ...
Genetics Quiz Study Guide D6
Genetics Quiz Study Guide D6

... 2. The _________________ states that factors for different traits on different genes are independent of one another. 3. A ___________ is a plant pure for a specific trait. 4. A _________________ occurs between individuals with 2 contrasting traits. 5. A ______________ is the actual alleles that are ...
BioH Ch16 Microevolution
BioH Ch16 Microevolution

...  Each unique organism has advantages & disadvantages in the struggle for existence. “Survival of the fittest”. These organisms pass on those advantageous traits to their offspring. Those that do not have this advantage either die out, or leave fewer offspring.  Species alive today descended with m ...
Lecture 06 - University of Hawaii anthropology
Lecture 06 - University of Hawaii anthropology

... evolution Understand the major forces of evolution (conditions that cause changes in gene frequencies) Provide examples (in humans) of these factors Discuss the role of natural selection in directing evolution ...
File - Mr. Banks
File - Mr. Banks

... flower color is codominant. ___________________________________________________________ Explain what would happen if a purebred black cow was crossed with a purebred white cow if the gene for cow fur color is incomplete dominant. ___________________________________________ What does DNA stand for? _ ...
On current utility and adaptive significance - synergy
On current utility and adaptive significance - synergy

... Szulkin et al. [1] point out that inbreeding depression is not the only genetic factor relevant to the evolution of inbreeding strategies. Specifically, they discuss the inclusive fitness advantage of inbreeding that results from higher genetic relatedness of offspring to parents, which might favor ...
Ne - reproseed
Ne - reproseed

... Ne is the number of breeding individuals corresponding to an observed amount of genetic drift. It reflects the harmonic mean size over the population’s ...
4 Applied Genetics
4 Applied Genetics

... inbreeding a. the cross of 2 organisms that have the same or similar set of genes b. prevents organisms from extinction c. problems 1 - reduces the offspring’s chances of inheriting new genes 2 - causes offspring to always be similar 3 - organisms are susceptible to certain diseases 4 - organisms no ...
Chromosomes vs. genes vs. alleles Word Definition/Example Word
Chromosomes vs. genes vs. alleles Word Definition/Example Word

... ...
LEQ: How do genes assort independently?
LEQ: How do genes assort independently?

...  From that he came up with the Law of Independent Assortment:  Each pair of alleles segregates independently from other pairs of alleles during gamete formation ...
Chapter 23
Chapter 23

... normal wing length is dominant over the allele for short wings. In a population of 1000 individuals, 360 show the recessive phenotype. How many individuals would you expect to be homozygous dominant for the trait? ...
Plant mating systems
Plant mating systems

... (frequency of male parent genotype in populations, maybe other factors) times the transmission probability • Prior probability = genotype frequencies of alleged male – perhaps multiplied by female frequencies, mating distance distribution, male fitness, etc. ...
Reception for Darwin`s Theory During His Time
Reception for Darwin`s Theory During His Time

... • Phenotype - physical expression of a trait – If the alleles for a trait are simple dominant and recessive, then: • For AA and Aa, dominant trait is physically expressed • If aa, recessive trait is expressed ...
Ch. 4. Modern Genetics
Ch. 4. Modern Genetics

...  To explain how DNA fingerprinting is used  To state the goal of the Human Genome Project. ...
Causes of Microevolution
Causes of Microevolution

... 2. NO migration of alleles in or out of population 3. Random mating 4. NO genetic drift - large populations needed 5. NO natural selection ...
Process of Evolution - Woodstown
Process of Evolution - Woodstown

... Genetic Drift – change in allele frequencies due to chance Bottleneck effect – natural disaster, reduce in population prevents the majority of genotypes from participating in the production of the next generation Founder effect – rare alleles occur at a higher frequency in a population isolated fr ...
Mendelian Genetics notes
Mendelian Genetics notes

... Recessive – Trait that will show only when found with another recessive allele Genotype – what the alleles are Phenotype – observable characteristics ...
Disruption of genetic equilibrium
Disruption of genetic equilibrium

...  No mutations  Random mating  No natural selection ...
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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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