SCIENCE Genetics Review Good Luck!

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

#2 What do we call two forms of the same gene? Alleles Chromosomes Sex cells,,,

#3 Genes are found on ____. Alleles Chromosomes Proteins

#4 If 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 this Punnett square, what is the phenotype of the offspring? (If B = black and b = brown) 1/2black,1/2 brown All Black All Brown

#6 A normal human sex cell has how many chromosomes ?

#7 What does Heterogenous means? Same 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? Same Different

#11 Humans produce sex cells through a process called ? Mitosis Binary fission Meiosis

12. In the pedigree above, how many females are shown ? 5 8 9

13. In the pedigree above, how many females have THE disease ? 5 8 9

14. In the pedigree above, how many children do parents 1 and 2 have ?

#15 The inherited combination of alleles is known as the offspring’s ? Pedigree Phenotype Genotype

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

#17 How many sets of instructions for each characteristic do offspring receive from EACH parent?

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