Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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An organism that is heterozygous for a recessive and dominant allele will display what phenotype?
A) Something completely different from the dominant and recessive phenotypes
B) Recessive
C) A mixture of the dominant and recessive phenotypes
D) Dominant
E) A dysfunctional phenotype
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- 9)If a gene shows classic dominance (one allele is dominant, one is allele is recessive), what is the phenotype of a heterozygote? a)Recessive phenotype b)Unable to determine without more information c)Dominant phenotype d)Mixed phenotypearrow_forwardInheritance of sickle - cell anemia demonstrates_____ a ) Multiple allele inheritance c ) a dominant genetic disorder d ) incomplete dominance e ) a sex - linked inheritancearrow_forwardIf you have a recessive phenotype for a given trait, but neither of your parents has that phenotype, what can you say about the genotype of your parents for that trait? A) Both of your parents must be homozygous dominant B) Both of your parents have to be hetorozygous C) One of your parents might be homozygous dominant but the other has to be hetorozygous D) Both of your parents have to be homozygous recessivearrow_forward
- A case when a recessive allele would be expressed even when only one copy is present would be___ a ) recessive inheritance c ) multiple allele inheritance d ) sex - linked inheritance e ) incomplete dominancearrow_forward3)If both parents have the recessive phenotype, which genotypes are possible for their offspring? choose all that apply A)homozygous dominant B)heterozygous C)homozygous recessive D)more information would be neededarrow_forward2)If an individual that is homozygous dominant for a gene has offspring with an individual that is homozygous recessive for that gene, which genotypes are possible for their offspring? choose all that apply A)homozygous dominant B)heterozygous C)homozygous recessive D)more information would be neededarrow_forward
- all of the offspring of a cross between a black eyed mendelien and an orange-eyed mendelien have black eyes. This means that the allele for black eyes is ___ the allele for orange eyes. A)Codominant toB)more aggressive thanC)recessive toD)dominant toE)better thanarrow_forward1)If both parents are heterozygous, which genotypes are possible for their offspring? choose all that apply A)homozygous dominant B)heterozygous C)homozygous recessive D)more information would be neededarrow_forwardIf a trait is X-linked recessive, who would express the trait? A) females homozygous for the dominant allele and males hemizygous for the recessive allele B) heterozygous females and males hemizygous for the dominant allele C) females homozygous for the recessive allele and males hemizygous for the recessive allele D) females homozygous for the recessive allele and males hemizygous for the dominant allele E) the same proportions of females and malesarrow_forward
- a man has simpson syndrome, an addiction to certain television series. his wife does not have this syndrome. the couple has four children. A) can this syndrome be caused by autosomal recessive gene? B) Can it be caused by an x linked recessive allele ? C) What about wiggly ears?arrow_forwardIf a trait is X-linked dominant, who would express the trait? A) females homozygous for the dominant allele and males hemizygous for the recessive allele B) heterozygous females and males hemizygous for the dominant allele C) females homozygous for the recessive allele and males hemizygous for the recessive allele D) females homozygous for the recessive allele and males hemizygous for the dominant allele E) significantly more females than malesarrow_forward7)Homozygote is a)an individual who has two copies of the same allele for a particular gene b)an individual who has to different alleles for a particular gene c)an individual who has one copy of the most common allele for a particular gene d)an individual who has one copy of the least common allele for a particular genearrow_forward
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