Homework Answers
So there are 25% chances of a
first child having a pointed elbow
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In fwosups, pointed elbows is an X-linked trait. A female that is a carrier of pointed...
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent...
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent of their daughters will have hemophilia? The gene for yellow body color in Drosophila is recessive and sex-linked. Its dominant allele b+ produces wild-type body color while the recessive allele, b- produces yellow body color in homozygous individuals. List the phenotypes and genotypes of the progeny from the following matings: a. yellow female x wild-type male b. wild-type (carrier) female x wild-type male c....
Genetic X Fies Analysis of Crosses The pointed-ear trait in MendAliens is caused by an X-linked...
Genetic X Fies Analysis of Crosses The pointed-ear trait in MendAliens is caused by an X-linked recessive mutant allele. Genetic X Files Problems a. A female MendAlien, Marge, with no ears (the normal condition) and whose male parent had pointed ears pairs with a male MendAlien with no ears and whose male parent also had pointed ears. The pointed ears phenotype looks like this: Pointed-ears phenotype Using e for the pointed-ears allele and Efor the normal no-ear allele, diagram the...
In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the...
In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but they won’t ever be carriers) X H X H = female, normal / X H Y = male, normal X H X h = female, carrier X h X h = female, hemophiliac / X h Y= male, hemophiliac Show the cross of a man who has hemophilia with a woman who is a carrier....
1a. A boy has Duchenne muscular dystrophy, an X-linked recessive trait. His maternal uncle had died...
1a. A boy has Duchenne muscular dystrophy, an X-linked recessive trait. His maternal uncle had died of muscular dystrophy at the age of 21 years. What is the probability that this child's siblings will be affected? i. It depends whether his mother is a carrier or not ii. 50% iii. 25% iv. 75% v. 0% 1b. Neurofibromatosis type 1 is one of the most common autosomal dominant disorders. A woman with neurofibromatosis type 1 has an unaffected partner. Which of...
D. 25% orme condition. The male is XX and the female is XY. But X-linked genes...
D. 25% orme condition. The male is XX and the female is XY. But X-linked genes have the same effects in mugwumps as in humans. A recessive X-linked allele "n" produces red-green color blindness. The dominant allele "N" produces normal color vision. If a female mugwump with normal color vision mates with a male mugwump, phenotypically normal for color vision but whose mother was color blind, what is the probability that a son from that mating will be color blind?...
Colorblindness is a sex-linked trait located in the X chromosome. Which of the following couples would...
Colorblindness is a sex-linked trait located in the X chromosome. Which of the following couples would have all normal sons, but all the daughters will be carriers? A color-blind male and a normal female A color blind male and a female who is a colorblind carrier A normal male and a female who is a colorblind carrier A male who is a colorblind carrier and a colorblind female A normal male and a colorblind female
1)Dimples is a dominant trait and represented as “D”. No Dimples is a recessive trait and...
1)Dimples is a dominant trait and represented as “D”. No Dimples is a recessive trait and represented as “d”. The dimples/no dimples alleles follow Mendelian genetics. What is the genotype of an individual who is heterozygous for the dimples trait? Dd DD dd Dimples No dimples 2) Dimples is a dominant trait and represented as “D”. No Dimples is a recessive trait and represented as “d”. The dimples/no dimples alleles follow Mendelian genetics. Person A has dimples and is homozygous...
In humans, colorblindness is X-linked and recessive. A male with normal vision and a colorblind female mate. If their ch...
In humans, colorblindness is X-linked and recessive. A male with normal vision and a colorblind female mate. If their child is a girl, what is the chance that she is colorblind? 100% 25% 0% 50%
1. A normal individual who is a carrier for an x-linked trait like hemophilia ___. SELECT...
1. A normal individual who is a carrier for an x-linked trait
like hemophilia ___.
SELECT ALL THAT APPLY.
is always female.
is heterozygous for the recessive condition.
shows the dominant phenotype.
can have daughters who have the gene.
People who carry both the sickle-cell allele and the normal allele make red blood cells that have both sickle-cell hemoglobin and normal hemoglobin. This is an example of a(n) trait. O completely dominant O incompletely dominant O codominant O recessive Tetrads...
12 Examine the following X-linked recessive pedigree: X-linked recessive a How many females in the pedigree are heterozygous for the trait being followed? b. What is the probability that a male c...
12 Examine the following X-linked recessive pedigree: X-linked recessive a How many females in the pedigree are heterozygous for the trait being followed? b. What is the probability that a male child of III-5 and III-6 will exhibited the recessive phenotype?
12 Examine the following X-linked recessive pedigree: X-linked recessive a How many females in the pedigree are heterozygous for the trait being followed? b. What is the probability that a male child of III-5 and III-6 will exhibited the...
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent of their daughters will have hemophilia? The gene for yellow body color in Drosophila is recessive and sex-linked. Its dominant allele b+ produces wild-type body color while the recessive allele, b- produces yellow body color in homozygous individuals. List the phenotypes and genotypes of the progeny from the following matings: a. yellow female x wild-type male b. wild-type (carrier) female x wild-type male c....
Genetic X Fies Analysis of Crosses The pointed-ear trait in MendAliens is caused by an X-linked recessive mutant allele. Genetic X Files Problems a. A female MendAlien, Marge, with no ears (the normal condition) and whose male parent had pointed ears pairs with a male MendAlien with no ears and whose male parent also had pointed ears. The pointed ears phenotype looks like this: Pointed-ears phenotype Using e for the pointed-ears allele and Efor the normal no-ear allele, diagram the...
D. 25% orme condition. The male is XX and the female is XY. But X-linked genes have the same effects in mugwumps as in humans. A recessive X-linked allele "n" produces red-green color blindness. The dominant allele "N" produces normal color vision. If a female mugwump with normal color vision mates with a male mugwump, phenotypically normal for color vision but whose mother was color blind, what is the probability that a son from that mating will be color blind?...
Colorblindness is a sex-linked trait located in the X chromosome. Which of the following couples would have all normal sons, but all the daughters will be carriers? A color-blind male and a normal female A color blind male and a female who is a colorblind carrier A normal male and a female who is a colorblind carrier A male who is a colorblind carrier and a colorblind female A normal male and a colorblind female
1. A normal individual who is a carrier for an x-linked trait
like hemophilia ___.
SELECT ALL THAT APPLY.
is always female.
is heterozygous for the recessive condition.
shows the dominant phenotype.
can have daughters who have the gene.
People who carry both the sickle-cell allele and the normal allele make red blood cells that have both sickle-cell hemoglobin and normal hemoglobin. This is an example of a(n) trait. O completely dominant O incompletely dominant O codominant O recessive Tetrads...
12 Examine the following X-linked recessive pedigree: X-linked recessive a How many females in the pedigree are heterozygous for the trait being followed? b. What is the probability that a male child of III-5 and III-6 will exhibited the recessive phenotype?
12 Examine the following X-linked recessive pedigree: X-linked recessive a How many females in the pedigree are heterozygous for the trait being followed? b. What is the probability that a male child of III-5 and III-6 will exhibited the...
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