Practice Quiz: Genotype and PhenotypesVersion en ligne Practice Quiz: Genotypes and Phenotypes par Benjamin D Morgan 1 Alternative forms of a gene are called a Alleles b Homozygous c DNA d Genetics 2 Hair color is an example of a genotype b phenotype 3 How tall you are is an example of a genotype b phenotype 4 Having blue eyes is an example of a genotype b phenotype 5 Usain Bolt's genes affect his height. Being 1.95m tall is an example of a genotype b phenotype 6 Which of the following is homozygous recessive? a rr b AA c TT d Ff 7 What does the prefix hetero- in heterozygous mean? a same b different c dating d human 8 The physical appearance of a trait is known as the- a genotype b characteristics c phenotype d intelligence 9 How many letters does a genotype contain? a 1 b 4 c 3 d 2 10 Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype? a Brown Hair b Blonde Hair c Brown and Blonde Hair d Black Hair 11 Hh represents... a Homozygous Dominant b Homozygous Recessive c Heterozygous d Heterozygous Dominant 12 Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous offspring? a GG b gg c Gg 13 Observe the diagram and identify number 4. a flower color allele b allele for white flowers c flower color gene d allele for purple flowers 14 Observe the diagram and identify number 5. a gene pair b set of different chromosomes c two male chromosomes d chromosome pair 15 Observe the diagram and identify number 7. a allele for purple flowers b gene for purple flowers c allele for white flowers d genes for white flowers 16 Observe the diagram and identify number 15. a homozygous dominant b homozygous recessive c heterozygous d heterozygous dominant e heterozygous recessive f homozygous 17 Observe the diagram and identify number 16. a homozygous dominant b homozygous recessive c heterozygous d heterozygous dominant e heterozygous recessive f homozygous 18 Observe the diagram and identify number 17. a brown eyes b blue eyes c green eyes 19 Observe the diagram and identify number 18. a b c 20 Observe the diagram and identify number 19. a homozygous dominant b homozygous recessive c heterozygous 21 The physical appearance of an organism based on traits a Genotype b Phenotype c Meiosis d Genetics 22 The allele combinations a genetics b mitosis c genotype d phenotype 23 This trait will always be expressed if present because it will mask the expression of others a stem cells b heterozygous c dominant d recessive 24 Having the genes for baldness is an example of a genotype b phenotype 25 Being a carrier of a genetic disorder is an example of a genotype b phenotype 26 Usain Bolt trains daily to improve his muscular explosiveness. Muscle size is an example of a genotype b phenotype 27 Having genes that make you more likely to be good at sprinting is an aspect of a genotype b phenotype 28 Which of the following is heterozygous a FF b tt c Gg d RR 29 What does the prefix homo- in homozygous mean? a same b different c dating d humans 30 Which of the following is homozygous dominant? a Jj b Rr c MM d ee 31 Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype? a Freckles b No Freckles c A few Freckles d One Freckle 32 Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' phenotype? a Not enough information b A small Widow's Peak c No Widow's Peak d Widow's Peak 33 rr represents... a Homozygous Dominant b Homozygous Recessive c Heterozygous d Heterozygous Recessive 34 Round (R) seeds are dominant to wrinkled (r) seeds. What is the genotype for a homozygous dominant offspring? a RR b Rr c rr 35 Observe the diagram and identify number 21 a dominant b recessive c gene d heterozygous e homozygous 36 Observe the diagram and identify number 22 a gene b heterozygous c dominant d recessive e homozygous 37 Observe the diagram and identify number 23. a short b long c tall stem allele d short stem allele e heterozygous 38 Observe the diagram and identify number 24. a short b long c tall stem allele d short stem allele e heterozygous 39 Observe the diagram and identify number 25. a short b long c tall stem allele d heterozygous e short stem allele 40 Observe the diagram and identify number 33. a tall b short c short stem allele d tall stem allele e homozygous
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