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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 Presentation
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Which of the below represents a trait?
A.Eye colorB.Type A bloodC.Rr
Which of the below represents a trait?
A.Eye colorB.Type A bloodC.Rr
An allele that expresses itself in a heterozygous individual is a
a.dominant alleleb.dihybrid c.pedigree d.recessive allele
An allele that expresses itself in a heterozygous individual is a
a.dominant alleleb.dihybrid c.pedigree d.recessive allele
Which of the below represents a genotype?
A.Eye colorB.Type A bloodC.Rr
Which of the below represents a genotype?
A.Eye colorB.Type A bloodC.Rr
Different versions of a gene are known as ____.
A.TraitsB.PhenotypesC.GenotypesD.Alleles
Different versions of a gene are known as ____.
A.TraitsB.PhenotypesC.GenotypesD.Alleles
An organism with two different alleles for a single gene is
a.Homozygous b.Heterozygousc.Phenotypicd.Genotypic
An organism with two different alleles for a single gene is
a.Homozygous b.Heterozygousc.Phenotypicd.Genotypic
An organism with the genotype RR is called
A.Homozygous recessiveB.Heterozygous C.Homozygous dominant
An organism with the genotype RR is called
A.Homozygous recessiveB.Heterozygous C.Homozygous dominant
The appearance of an organism is its
a.Genotypeb.Phenotypec.Genotypic ratiod.Karyotype
The appearance of an organism is its
a.Genotypeb.Phenotypec.Genotypic ratiod.Karyotype
Which of the following genotypes is heterozygous?
A.RRB.RrC.rr
Which of the following genotypes is heterozygous?
A.RRB.RrC.rr
Which of the below represents a phenotype?
A.Eye colorB.Blonde hairC.Rr
Which of the below represents a phenotype?
A.Eye colorB.Blonde hairC.Rr
Which of the following genotypes is homozygous recessive?
A.RRB.RrC.rr
Which of the following genotypes is homozygous recessive?
A.RRB.RrC.rr
A cross that is written RrGg x RrGg is an example of a
a.Monohybrid crossb.Dihybrid crossc.Pedigreed.Co-dominance
A cross that is written RrGg x RrGg is an example of a
a.Monohybrid crossb.Dihybrid crossc.Pedigreed.Co-dominance
In the cross that is written RrGg x RrGg what are the four possible genotypes for gametes produced by the first parent?
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
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
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
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
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
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%
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%
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
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
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
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
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
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
According to the pedigree below, the trait being studied earlobes is ________ .
a.Dominantb.Recessivec.Could be either dominant or recessive
According to the pedigree below, the trait being studied earlobes is ________ .
a.Dominantb.Recessivec.Could be either dominant or recessive
What is the sex of this organism?
FEMALE
What is the sex of this organism?
What is the sex of this organism?
MALE
What is the sex of this organism?
What disorder does this person have and what event caused it?
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?
