SCIENCE Genetics Review Good Luck!

SCIENCE Genetics Review Good Luck!

#1 What do we call the passing of traits from parents to offspring? Probability Recessive Heredity

#2 Examples of alleles are _________? round and wrinkled for seed shape Male and female Blue eyes and brown hair ,,,

#3 Chromosomes contain ____. anthers many genes proteins

#4If you cross a Bb with a bb, what are the possible genotypes?(make a Punnett square) All BB All bb The Great Compromise 50% Bb and 50% bb All Bb

#5 For the Punnett square you just did, what is the phenotype of the offspring?(If B = black and b = brown) All Black 1/2black,1/2 brown All Brown

#6 A normal human sex cell has how many chromosomes ? The same number of chromosomes as every other cell Twice the number of chromosomes as every other cell Half the number of chromosomes as every other cell

#7What does Heterozygous means? Alleles are the Same Alleles are Different

#8 Who is known as the “Father of Genetics”? Mendel Punnett Newton “FATHER OF GENETICS”

#9 What name is given to the set of instructions for a characteristic? Gene DNA Chromosome

#10 Homozygous means? Alleles are the Same Alleles are Different

#11Meiosis results in the production of _______? Sex cells Cells with the half the number of chromosomes All of the above

12. What symbol is used to represent males in a pedigree? circle square diamond

13. In the pedigree above, how do you know who has the trait? They are filled in They are all female They are all male

1 14. In the pedigree above, how many siblings does individual 1 have? 5 4 2

#15All of an individual’s alleles are known as their _________? Pedigree Phenotype Genotype

#16What are chromosomes? The same thing as Alleles Organized structures of DNA

#17How many sets of instructions does an individual have for each trait? 3 1 2

#18a) Complete this punnett square.Which of the following best describes your results? 1 purple:3 white 4 purple:0white 3 purple:1 white 2 purple:2 white

SCIENCE Genetics Review Good Luck!