1) In aliens, having a tongue out (T) is dominant to teeth (t). If a baby alien is born with the allele combination TT, what would be true about this alien? a) The alien will have sharper teeth than any other alien. b) The alien will have its tongue out. 2) In aliens, one eye (E) is dominant to four eyes (e). How many eyes would an alien with the allele combination ee have? a) 3 b) 4 3) In algae, all of the offspring look exactly like the parent since: a) A single parent divides in order to create offspring (babies). b) Sexual reproduction is being used by the algae in order to create offspring. 4) Passing of traits from parents to offspring is called? a) Heredity b) Dominant Allele 5) A form of a gene on a chromosome ( example: brown hair or red hair) is known as a(n): a) Mutation b) Allele 6) A type of trait that will hide or mask a weaker trait is known as a ______________ trait. a) Dominant b) Recessive 7) Different forms of a gene can exist. a) true b) false 8) Sexual reproduction leads to greater genetic variation than asexual reproduction. a) true b) false 9) Chromosomes are made up of a substance called DNA. Sections of DNA create genes that direct the body how to make proteins. a) true b) false 10) A structure made up of genes that carries hereditary information would be known as a(n): ______________________. a) Dominant Trait b) Chromosome 11) The production of offspring from only 1 parent a) Sexual reproduction b) Asexual Reproduction 12) A chart that shows all the possible combinations of alleles that can result from a genetic cross is called? a) Phenotype b) Punnett Square 13) A harmful mutation can become beneficial to a population of organisms when environmental conditions change. a) true b) false 14) All mutations are harmful to an organism. a) true b) false 15) A mutation occurs when: a) A gene is perfectly copied and passed on to a child. b) There is a mis-copy in a gene passed onto a child making the child’s genes different from the parents. 16) Which of the following best describes a mutation? a) A change in a gene b) Anything that can damage a gene 17) In this pedigree, circles represent. a) females b) males 18) In pedigrees, What does it mean if the shape is completely shaded. a) A person expresses the trait. b) A person does NOT express that trait.

Genetics

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