Genetics Review Test: Question Preview (ID: 13834)


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Which of the following is an example of an ACQUIRED trait?
a) Blue eyes b) longer ring finger than index finger c) Ability to play guitar d) Widows peak
How is mitosis different from meiosis?
a) Mitosis creates two identical baby cells, whereas meiosis creates four different baby cells b) In mitosis, the nucleus splits once; in meiosis, it splits three times c) Mitosis creates cells with half the DNA that meiosis does d) Mitosis only happens in sex cells, whereas meiosis happens in all body cells
Brown eyes are dominant over blue eyes. If a Bb man and bb woman have kids, what is the chance that the kids will have blue eyes? (hint: use a Punnett Square!)
a) 1/4 (25%) b) 4/4 (100%) c) 3/4 (75%) d) 2/4 (50%)
Which of the following is TRUE about dominant genes?
a) They will always win over recessive genes b) They are represented by a lowercase letter c) They only come from the father d) They will only show up if recessive genes are not present
A farmer mates two of his best horses in the hopes of getting an awesome baby horse. What is this an example of?
a) Mutations b) Asexual Reproduction c) Selective Breeding d) Genetic Engineering
Which of the following is NOT an example of an ethical dilemma?
a) Is it okay to genetically engineer our children? b) Should teachers be allowed to carry guns to school? c) Is it okay to steal from a store to save your mother's life? d) Which pencil sharpener in the middle school works best?
Which of the following is an example of a homozygous recessive genotype?
a) HH b) hH c) Hh d) hh
What is the relationship between genotype and phenotype?
a) Genotype gives the code for the phenotype (what you'll actually look like) b) Genotypes are found on Punnett Squares, whereas Phenotypes are found in DNA c) Genotypes are inherited into phenotypes d) Genotype is homozygous recessive, while phenotypes are heterozygous
In incomplete dominance, if a red flower (R) and white flower (W) have babies, what color are the offspring?
a) Red b) White c) Pink d) Half white, half red
What is the relationship between DNA and chromosomes?
a) Chromosomes codes for a single trait on DNA b) Chromosomes are found in the nucleus, whereas DNA is found in the cytoplasm c) Chromosomes contains the genotypes of DNA d) DNA is packaged up into little X shapes called chromosomes
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