genetics review
DESCRIPTION
Genetics Review. Which of the below represents a trait? Eye color Type A blood Rr. Which of the below represents a trait? Eye color Type A blood Rr. An allele that expresses itself in a heterozygous individual is a dominant allele dihybrid pedigree recessive allele. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/1.jpg)
![Page 2: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/2.jpg)
Which of the below represents a trait?
A.Eye colorB.Type A bloodC.Rr
![Page 3: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/3.jpg)
Which of the below represents a trait?
A.Eye colorB.Type A bloodC.Rr
![Page 4: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/4.jpg)
An allele that expresses itself in a heterozygous individual is a
a.dominant alleleb.dihybrid c.pedigree d.recessive allele
![Page 5: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/5.jpg)
An allele that expresses itself in a heterozygous individual is a
a.dominant alleleb.dihybrid c.pedigree d.recessive allele
![Page 6: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/6.jpg)
Which of the below represents a genotype?
A.Eye colorB.Type A bloodC.Rr
![Page 7: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/7.jpg)
Which of the below represents a genotype?
A.Eye colorB.Type A bloodC.Rr
![Page 8: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/8.jpg)
Different versions of a gene are known as ____.
A.TraitsB.PhenotypesC.GenotypesD.Alleles
![Page 9: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/9.jpg)
Different versions of a gene are known as ____.
A.TraitsB.PhenotypesC.GenotypesD.Alleles
![Page 10: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/10.jpg)
An organism with two different alleles for a single gene is
a.Homozygous b.Heterozygousc.Phenotypicd.Genotypic
![Page 11: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/11.jpg)
An organism with two different alleles for a single gene is
a.Homozygous b.Heterozygousc.Phenotypicd.Genotypic
![Page 12: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/12.jpg)
An organism with the genotype RR is called
A.Homozygous recessiveB.Heterozygous C.Homozygous dominant
![Page 13: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/13.jpg)
An organism with the genotype RR is called
A.Homozygous recessiveB.Heterozygous C.Homozygous dominant
![Page 14: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/14.jpg)
The appearance of an organism is its
a.Genotypeb.Phenotypec.Genotypic ratiod.Karyotype
![Page 15: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/15.jpg)
The appearance of an organism is its
a.Genotypeb.Phenotypec.Genotypic ratiod.Karyotype
![Page 16: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/16.jpg)
Which of the following genotypes is heterozygous?
A.RRB.RrC.rr
![Page 17: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/17.jpg)
Which of the following genotypes is heterozygous?
A.RRB.RrC.rr
![Page 18: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/18.jpg)
Which of the below represents a phenotype?
A.Eye colorB.Blonde hairC.Rr
![Page 19: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/19.jpg)
Which of the below represents a phenotype?
A.Eye colorB.Blonde hairC.Rr
![Page 20: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/20.jpg)
Which of the following genotypes is homozygous recessive?
A.RRB.RrC.rr
![Page 21: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/21.jpg)
Which of the following genotypes is homozygous recessive?
A.RRB.RrC.rr
![Page 22: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/22.jpg)
A cross that is written RrGg x RrGg is an example of a
a.Monohybrid crossb.Dihybrid crossc.Pedigreed.Co-dominance
![Page 23: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/23.jpg)
A cross that is written RrGg x RrGg is an example of a
a.Monohybrid crossb.Dihybrid crossc.Pedigreed.Co-dominance
![Page 24: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/24.jpg)
In the cross that is written RrGg x RrGg what are the four possible genotypes for gametes produced by the first parent?
![Page 25: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/25.jpg)
In the cross that is written RrGg x RrGg what are the four possible genotypes for gametes produced by the first parent?
RG, Rg, rG, rg
![Page 26: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/26.jpg)
A monohybrid cross of two individuals that are heterozygous for a trait exhibiting simple dominance would produce a phenotypic ratio of
a.4 dominant: 0 recessiveb.3 dominant: 1 recessivec.1 dominant: 3 recessived.1 dominant: 1 recessive
![Page 27: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/27.jpg)
A monohybrid cross of two individuals that are heterozygous for a trait exhibiting simple dominance would produce a phenotypic ratio of
a.4 dominant: 0 recessiveb.3 dominant: 1 recessivec.1 dominant: 3 recessived.1 dominant: 1 recessive
![Page 28: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/28.jpg)
In a dihybrid cross between an individual with the genotype RRYY and an individual with the genotype rryy, all of the offspring will have the genotype
a.RRYYb.RrYYc.RrYyd.rryy
![Page 29: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/29.jpg)
In a dihybrid cross between an individual with the genotype RRYY and an individual with the genotype rryy, all of the offspring will have the genotype
a.RRYYb.RrYYc.RrYyd.rryy
![Page 30: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/30.jpg)
In pea plants, tall plants are dominant to short plants. If two heterozygous tall plants are crossed, what percent of the offspring will be short?
a.25%b.50%c.75%d.100%
![Page 31: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/31.jpg)
In pea plants, tall plants are dominant to short plants. If two heterozygous tall plants are crossed, what percent of the offspring will be short?
a.25%b.50%c.75%d.100%
![Page 32: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/32.jpg)
Albino individuals lack all pigmentation so that their hair and skin are white. This family tree shows that albinism
a. is carried only by females in this familyb. is a recessive traitc. is a sex-linked gened. requires both parents to be albinos
![Page 33: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/33.jpg)
Albino individuals lack all pigmentation so that their hair and skin are white. This family tree shows that albinism
a. is carried only by females in this familyb. is a recessive traitc. is a sex-linked gened. requires both parents to be albinos
![Page 34: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/34.jpg)
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably what type of trait?
a.Dominantb.Recessivec.Co-dominantd.Sex-linked
![Page 35: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/35.jpg)
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably what type of trait?
a.Dominantb.Recessivec.Co-dominantd.Sex-linked
![Page 36: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/36.jpg)
If a cross is made between a pure-breeding green, round (yyRR) plant and a pure-breeding yellow, wrinkled (YYrr) plant, what is the result? Use a Dihybrid Punnett square to help you!!!
a.all green, wrinkled peasb.all yellow, round peasc.all yellow, wrinkled peasd.none of the above
![Page 37: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/37.jpg)
If a cross is made between a pure-breeding green round (yyRR) plant and a pure-breeding yellow wrinkled (YYrr) plant, what is the result? Use a Dihybrid Punnett square to help you!!!
a.all green, wrinkled peasb.all yellow, round peasc.all yellow, wrinkled peasd.none of the above
![Page 38: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/38.jpg)
According to the pedigree below, the trait being studied earlobes is ________ .
a.Dominantb.Recessivec.Could be either dominant or recessive
![Page 39: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/39.jpg)
According to the pedigree below, the trait being studied earlobes is ________ .
a.Dominantb.Recessivec.Could be either dominant or recessive
![Page 40: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/40.jpg)
What is the sex of this organism?
![Page 41: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/41.jpg)
FEMALE
What is the sex of this organism?
![Page 42: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/42.jpg)
What is the sex of this organism?
![Page 43: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/43.jpg)
MALE
What is the sex of this organism?
![Page 44: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/44.jpg)
What disorder does this person have and what event caused it?
![Page 45: Genetics Review](https://reader035.vdocument.in/reader035/viewer/2022062408/56813650550346895d9dd1b3/html5/thumbnails/45.jpg)
This person has Down Syndrome, also known as Trisomy 21, as result of non-disjunction of homologous chromosomesduring meiosis
What disorder does this person have and what event caused it?