Buscar
Estás en modo de exploración. debe iniciar sesión para usar MEMORY

   Inicia sesión para empezar

level: Genes and Variation

Questions and Answers List

level questions: Genes and Variation

QuestionAnswer
What is the Genome?-This is the Entire Genetic Material of an Organism
What is a Chromosome?-This is simply one Long Molecule of DNA that's Coiled up
What is a Gene? What can Genes control?-A Gene is a Short Length of a Chromosome, that can control the Development of Different Characteristics
What are Alleles / Variants?-This is simply Genes that can exist in Different Versions, which gives a Different Form of the Characteristic. Example would be Eye Colour
What is Variation?-This is simply the Differences of what Organisms in the Same Species look like: Example: Room full of Humans will most likely not all have the same Height, Eye Colour, Hair Colour, Same shaped nose...
What does Genotype and Phenotype mean?Genotype: All the Genes and Alleles that an Organism has [Coding] Phenotype: The Characteristics that it Displays [Appearance]
How can the Variation in the Species be Genetic?-It can be due to the differences in the Genotype, in which will affect the Phenotype -And the Genes can also be Inherited from the Parents as well
How can the Variation in the Species be Environmental?-The Phenotype can also be affected by the Conditions it lives in -Take 2 plants, and place one with lots of Sunshine, and you can see it grow According to the Environment [Towards the Sun] and it being Green -Place the other plant in a Dark Room, and it'll have grow Tall and Spindly, with its leaves being Yellow
How can the Variation in the Species be a mix of Genetic and Environmental?-The Phenotype can be determined by a Mixture of Genetic and Environmental Factors. -Taking Maximum Height, the Genes can say how much it can grow to, but it all depends on the amount of Food taken to actually Show that Height
What is Continuous Variation?-This is when the Individuals in the Population can vary across a Range. -This is more common when its 2+ Genes Influence the Characteristic, or its a Combination of Genetic and Environmental Variation -Examples: Mass, Height, Number of Leaves on a Tree...
What is Discontinuous Variation?-This is when there is 2+ Distinct Categories, that can only be Appointed. -This is more Common when its only 1 Gene influencing it, or its only a Genetic Variation -Examples can be Blood Type for Humans; there is only 4 Types of Blood: A, B, AB or O