Genetics 1
What is meiosis?
A type of cell division in sexually reproducing organisms that reduces the number of chromosomes in the gamets.
What is heterozygous?
Different alleles
What is the process where organisms die out while the better species adapt to their environment?
Natural Selection
What is it when you choose a specific animal or plant, and pick out the desires we want to make a better offspring?
Selective breeding
What is a fossil?
Preserved evidence of an organism
What is it called when the process by which a cell replicates its chromosomes and then it separates them, it then produces two identical nuclei in preparation for cell division?
Mitosis
How many daughter cells does a meiosis and a mitosis?
Meiosis-4 daughter cells
Mitosis-2 daughter cells
What is migration?
When animals move to a new environment for food and shelter.
What is cloning?
Creating an identical copy of an organism with the same genetics
If a rock layer is at the bottom, is it the oldest or youngest?
Oldest
What is the difference between animals and plant cells?
Animal-Sexual Reproduction
Plant-Asexual Reproduction
What is the genetic makeup of an organism that represents letters?
Genotype
What is a mutation?
A genetic defect
What does GMO stand for?
Genetically modified organism
What is and intrusion?
When lava forms and creates a rock layer
What is a Chromosomes?
A thread like structure of nucleic acids and proteins found in the nucleolus.
What is dominant and recessive?
Dominant-The uppercase letter
Recessive-The lowercase letter
What is it called when a physical feature of an organism that helps them survive?
Structural Adaptation
What is the meaning when you change the genes to treat a disease?
Gene therapy
What is an extrusion?
When lava erupts onto Earth's surface and forming a rock.
What is a Phenotype?
The physical characteristics of an organism, traits.
Isaac and Nicki in the future will have children. Isaac had Dominant heterozygous black hair and Nicki has Recessive Homozygous brown hair. What is the hair color their children in the future will have?
Dominant black hair-75% 3 out of 4 children
Recessive brown hair-25% 1 out of 4 children
Behavioral Adaptations examples
Getting the desires we want for a organism
What happens when a fossil is seen in one rock layer but in the next its gone?
The organism went extinct