If the SRY region undergoes a Robertsonian translocation to an X chromosome in a male parent:...
If the SRY region undergoes a Robertsonian translocation to an X chromosome in a male parent:
a.) XX offspring carrying the translocated X will show male phenotypes
b.) XX offspring carrying the translocated X will not show male phenotypes
c.) XY offspring carrying the translocated Y will show male phenotypes
d.) XY offspring carrying the translocated Y will not show male phenotypes
e.) A and D
Homework Answers
Option a is correct answer
If the SRY region undergoes a Robertsonian translocation to an X chromosome in a male parent:
a.) XX offspring carrying the translocated X will show male phenotypes.
During paternal meiosis, aberrant translocation of Y material, including sex determining region (SRY) to the X chromosome leads to the 46,XX male chromosomal complement.
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If the SRY region undergoes a Robertsonian translocation to an X
chromosome in a male parent:...
Question 1 1 pts Sex determination in mammals is due to the SRY region of the...
Question 1 1 pts Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have a male phenotype? O a person with an extra X chromosome Turner syndrome, 45, X O Down syndrome, 46, XX O a person with one normal and one shortened (deleted) X O translocation of SRY to an autosome of a 46, XX individual Question 2 1 pts What does...
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and typ...
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and type of sex chromosomes are not average. A list of some of these variations is below. For each one, predict if the zygote would be assigned male or female or intersex at birth. Later, compare your predictions to the actual phenotypes. Zygote Phenotype Predicted Sex Sex Chromosomes Chromosomes in Gametes Sperm Egg XY Y X xX X X XO X none XYY X YY XX Y XXY...
15. What will be the phenotypic sex of a human with the following gene or chromosomes...
15. What will be the phenotypic sex of a human with the following gene or chromosomes or both? a. XY with the SRY gene deleted + b. XY with the SRY gene located on an autosomal chromosome c. XX with a copy of SRY gene on an autosomal chromosome M d. XO with a copy of SRY gene on an autosome M e. XXY with the SRY gene deleted F f. XXYY with one copy of the SRY gene delete...
1. For each of the following chromosome complements, what is the phenotypic sex of a person...
1. For each of the following chromosome complements, what is the phenotypic sex of a person who has a. XY with the SRY gene deleted? b. XX with a copy of SRY gene on an autosomal chromosome? c. XO with a copy of SRY gene on an autosomal chromosome? d. XXY with the SRY gene deleted? e. XXYY with one copy of the SRY gene deleted 2.. In organisms with the ZZ-ZW sex-determining system, from which of the following possibilities...
What causes de la Chapelle syndrome (XX male syndrome)? A. It is caused by two nondisjunction...
What causes de la Chapelle syndrome (XX male syndrome)? A. It is caused by two nondisjunction events. The first occurs during meiosis in the mother resulting in an XX egg, and the second occurs during meiosis in the father resulting in a sperm with no X or Y chromosomes. When this sperm fertilizes the egg it results in XX male syndrome. B. SRY is intact but the body is unable to respond to the hormone androgen, which produces the female...
How are translocation and chromosome rearrangement related? (Genetics) a) Translocation is a special form of rearrangement...
How are translocation and chromosome rearrangement related? (Genetics) a) Translocation is a special form of rearrangement within the same chromosome or between homologous chromosomes b) Translocation produces all non-viable recombinant chromosomes c) Translocation is a special form of rearrangement within the same chromosome or between non-homologous chromosomes d) Translocation may only occur via paracentric inversion e) Translocation may only occur via pericentric inverison
2. You have a fly strain heterozygous for a reciprocal translocation between an acrocentric chromosome (solid)...
2. You have a fly strain heterozygous for a reciprocal translocation between an acrocentric chromosome (solid) and a metacentric chromosome (wavy). The normal homologues have dominant alleles for the genes shown, while the re-arranged chromosomes have recessive alleles. A B F G NOR a bf an anong A. (3pts) What kind of gametes can a male of this strain produce? (note that there is no recombination in Drosophila males) B. (3pts) If you performed a test cross of a male...
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?...
D) A and B only E) A, B, and C 25. Which of the following statements...
D) A and B only E) A, B, and C 25. Which of the following statements are TRUE? A) It is possible for some individuals with the sex chromosome constitution XY to appear female. B) It is possible for some individuals with the sex chromosome constitution XX to appear male. C) It is possible for some individuals with the sex chromosome constitution XXY to appear female. D) All of the above are FALSE statements. E) All of the above are...
Hemophilia A is a genetic disorder of recessive X chromosome mutation of the Factor VIII gene...
Hemophilia A is a genetic disorder of recessive X chromosome mutation of the Factor VIII gene that causes a blood clotting protein Factor VIII missing or deficient. If a person with XY chromosomes is affected by Hemophilia A and a person with XX chromosomes is an unaffected person, what is the probability that their male offspring might be hemophilic and what is the probability that their female offspring might be carriers of the mutated gene?
Question 1 1 pts Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have a male phenotype? O a person with an extra X chromosome Turner syndrome, 45, X O Down syndrome, 46, XX O a person with one normal and one shortened (deleted) X O translocation of SRY to an autosome of a 46, XX individual Question 2 1 pts What does...
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and type of sex chromosomes are not average. A list of some of these variations is below. For each one, predict if the zygote would be assigned male or female or intersex at birth. Later, compare your predictions to the actual phenotypes. Zygote Phenotype Predicted Sex Sex Chromosomes Chromosomes in Gametes Sperm Egg XY Y X xX X X XO X none XYY X YY XX Y XXY...
15. What will be the phenotypic sex of a human with the following gene or chromosomes or both? a. XY with the SRY gene deleted + b. XY with the SRY gene located on an autosomal chromosome c. XX with a copy of SRY gene on an autosomal chromosome M d. XO with a copy of SRY gene on an autosome M e. XXY with the SRY gene deleted F f. XXYY with one copy of the SRY gene delete...
2. You have a fly strain heterozygous for a reciprocal translocation between an acrocentric chromosome (solid) and a metacentric chromosome (wavy). The normal homologues have dominant alleles for the genes shown, while the re-arranged chromosomes have recessive alleles. A B F G NOR a bf an anong A. (3pts) What kind of gametes can a male of this strain produce? (note that there is no recombination in Drosophila males) B. (3pts) If you performed a test cross of a male...
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?...
D) A and B only E) A, B, and C 25. Which of the following statements are TRUE? A) It is possible for some individuals with the sex chromosome constitution XY to appear female. B) It is possible for some individuals with the sex chromosome constitution XX to appear male. C) It is possible for some individuals with the sex chromosome constitution XXY to appear female. D) All of the above are FALSE statements. E) All of the above are...
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