Transcript Bell Ringer
Bell Ringer List 2 different things we discussed in class yesterday. • I can distinguish between genotype and phenotype. Today • Bell Ringer • Traits(beginning) first half of class • Play board games, reflection 2nd half • What is a gene? A gene is a part of the DNA code on a chromosome. • How many genes do we have? • • The genes an organisms has—it’s genetic makeup is called Genotype • When you look at a person you see the organism’s ____________________ • Hair color, • Combination of genetic makeup and the environments effect on that makeup phenotype Environmental Impact on phenotype • Internal • External • Neither Neither • Some aspects of phenotype are NOT affected by the environment… – Eye color external • The amount of light an organism receives • The temperature in which the organism lives • Example: tree leaves that grow in full sunlight are thicker than those that grow in shadier conditions • Even though the genetic makeup is the same Internal (phenotype) • Human brain cells could not develop normally unless they are acted on by the thryroid hormone during development. • This hormone is part of the body’s internal environment. Growth (environmental factor) • To make it grow faster, plant the tree away from others (WHY? Do you think?) • In a forest trees compete for …………….. Light, water, soil, minerals, and others Appearance • Look at page 41 • Notice the buttercup (Fig. 4) • The leaves that are in deeper water do not bud, however the leaves in shallow water produce the flowers. • last sentence. • Another phenotype – Coloring on a simease cat • They are pure white at birth. • Colored markings (FIG. 5) develop more quickly on cooler parts of the cat’s body such as the ears. • In warmer climates the fur color might not develop fully until the cat is more than a year old. • Artic fox ( read to figure out why) Game board Reflection • Why should you receive an A? • What did you learn about ecology, while making your game? • What would you change? if anything about your game? • Are the rules explained enough without being so complicated that they will need to be read multiple times to understand them?