passing on charactaristics Flashcards
what is a sexual reproduction
when only one parent is involved in creating offspring
whats a runner
when a plant produces a new stem at the end of its base this new stem is called a runner and grows away from its parent plant
whats the disadvantage for the parent of a runner
-doesnt get all the nutrients
-competing for water sunlight and nutrients
what are the disadvantages for the daughter plant
-has a higher chance of getting a disease
-runner could end up in a spot with no sunlight
what is sexual reproduction
the creation of offspring involving two parents
what are charactaristics
traits passed down from both parents meaning they are not identical to their parents
whats a variation
difference in a population
what are generic variations
inherited from parents and are controlled by genes
what are non inherited variations
differences that are not controlled by genes
what are chromosomes
thread like structures found in the nucleus of a cell made up of a chemical called dna
what are genes
short sections of dna located in chromosomes they control the production of inherited genes
whats a dominant gene
always expressed over the recessive gene
whats a recessive gene
only expressed if there is two copies
whats a homozygous
when two copies of a gene are the same
whats a hetrozygous
when tow copies of the gene are different