What are the different forms of a gene called? alleles

Organisms with 2 identical alleles for a trait are called homozygous

Principle of independent assortment States during gamete formation genes for different traits separate without influencing each other’s inheritance Principle of independent assortment

One allele is not completely dominant over another allele for that gene Incomplete dominance

Rabbits: 4 different versions of the gene for their coat color is an example of Multiple alleles

Variation in human skin color is an example of ________ traits polygenic

Gametes are produced by what process meiosis

A homologous pair of chromosomes, each made of 2 chromatids tetrad

Each pea-plant gamete has how many alleles for the height gene 1

When you flip a coin, what is the probability that it will come up tails? 1/2

Principles of probability What can be used to predict the traits of the offspring of genetic crosses Principles of probability

What process results in the formation of haploid cells meiosis

Gregor Mendel’s principles of genetics apply to All organisms

What produces a large # of offspring and was used by Thomas Morgan in his research Fruit flies

Speckled chickens are an example of what? codominance

Hair changing color in the summer of winter shows that genetics and the _________ influence physical traits environement

If an organism's diploid # is 12, what is its haploid # 6

The number of chromosomes in a gamete is represented by what symbol

How many allele for each gene does a gamete have 1

Crossing over

During which phase do tetrads form Prophase I

What is formed at the end of meiosis 4 genetically different cells

What type of genes are on the same chromosome linked

The farther apart 2 genes are located on a chromosome, the _____ likely they are to be inherited together less

Bell Work Write down at least 5 things you know, based on the Punnett square (use vocabulary words and science terms we have talked about)

What 2 traits are shown on the Punnett Square? Seed shape and seed color Independent assortment What 2 traits are shown on the Punnett Square? What principle is being shown?

2 – round green or round yellow When looking at these two traits, how many combinations or different phenotypes are the offspring expected to show?