An X-linked gene has 2 co-dominant alleles, XC and XD with no equivalent on the Y...
An X-linked gene has 2 co-dominant alleles, XC and XD with no equivalent on the Y chromosome. A woman of genotype XDXD bears a son with a man of genotype XCY. The son is XCXDY. What is this syndrome? In which parent did a meiotic division mistake occur?
Homework Answers
1. Klinefelter syndrome is a genetic condition in which a boy is born with an extra X chromosome.
2. Women undergoes Nondisjunction in meiosis results in daughter
cells with abnormal chromosome numbers. Women nondisjunction in
daughter cells has XX in single cell. This egg fertilize with male
sperm contain only Y chromosome
result in XXY.
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An X-linked gene has 2 co-dominant alleles,
XC and XD with no equivalent on the Y...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline (w). A male homozygote with widow's peak marries a female homozygote with straight hairline, what are the possible genotypic and phenotypic ratios of the F1 and F2 generations that may result from the union? Phenotype of Parents ………………………… x ………………………… Genotype of Parents ………………………… x ………………………… Genes in gametes ………………………… x ………………………… Genotype of F1 Generation ………………………… Phenotype of F1 Generation ………………………… Genes in F1 gametes ………………………… or ………………………… (Punnett Square)...
X-linked hypophosphatemia (XLH) is due to a rare X-linked dominant form of rickets. A man with...
X-linked hypophosphatemia (XLH) is due to a rare X-linked dominant form of rickets. A man with XLH marries a healthy woman and they have a son with XLH. The MOST LIKELY explanation for this occurring is: A. During spermatogenesis in the father, Meiosis I non-disjunction of the X chromosome generated a disomic sperm. B. During spermatogenesis in the father, Meiosis II non-disjunction of the X chromosome resulted in a disomic sperm. C. During oogenesis in the mother, Meiosis I non-disjunction...
A woman with albinism (an X-linked recessive gene) has a child with a man who has...
A woman with albinism (an X-linked recessive gene) has a child with a man who has normal pigment. Their child has albinism with Klinefelter's syndrome (XXY). Where did the non-disjunction event occur? a.Could only have occurred in the mother b.Can't determine from the information given. c.Could only have occurred in the father d.Could have occurred in either the mother or the father
etics Assignment As Save Sub An inactivated X chromosome is called a(n) O linked body O...
etics Assignment As Save Sub An inactivated X chromosome is called a(n) O linked body O linked chromosome O Barr body O SRY body O polar body Punnett Squares Homework BMS 100 (1) s Mailings Review View Help Tell me what you want to do ●A-E |r, : ·田 1Normall1NoSpac Heading 1 Heading 2 Paragraph Styles Name Punnett Square Homework 1. Dimples are dominant and not having dimples is recessive. A man with dimples has children with a woman who...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome 21. He marries a woman who produces 100 units of the same enzyme due to the heterozygous pairs of genes on her chromosomes 21. Their firstborn son has three copies of chromosome 21 and produces 200 units of the enzyme mentioned above. a) In which parent did the nondisjunction occur? b) Did the nondisjunction occur in meiosis I, meiosis II or mitosis? c) What...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome 21. He marries a woman who produces 100 units of the same enzyme due to the heterozygous pairs of genes on her chromosomes 21. Their firstborn son has three copies of chromosome 21 and produces 200 units of the enzyme mentioned above. a) In which parent did the nondisjunction occur? b) Did the nondisjunction occur in meiosis I, meiosis II or mitosis? c) What...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic characteristics determined by genes located on sex chromosomes. Genies are and on chromosomes that carry information for protein production and that are sponsible for the inheritance of specific traits Genes exist in alternative forms called alleics. or a trail is inherited from each parent Like traits originating from genes on autosomes (non-se chromosomes), sex-linked to omosomes), sex-linked traits are passed from parents to offspring...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic series A dominant homozygote is lethal Coat coloration is determined by 2 genes Shows variable expressivity A qualitative, or continuous, trait involving polygenes Females mosaics for X-linked heterozygous color genes A. Manx cat B. Coat coloration rabbits C. Labrador retriever dogs D. Piebald spotting in beagles E. A and B blood alleles F. A and O blood alleles G. Calico cat H. Height of...
NAME: 6. Red-green color deficiency is an X-linked recessive trait. A woman with normal color vision...
NAME: 6. Red-green color deficiency is an X-linked recessive trait. A woman with normal color vision has a father who is color-deficient. The woman has a child with a man with normal color vision. Which phenotype is NOT expected as a possibility for that child? a) a color-deficient male b) a color deficient female c) a male with normal color vision d) a female with normal color vision 7. Which of the individuals in the human pedigree shown below allow...
question 5-52 93 Dd D) dd D) aa x aa C) human height E) DI 4.Which...
question 5-52
93 Dd D) dd D) aa x aa C) human height E) DI 4.Which of these crosses will only produce heterozygous offspring? B) AA x Aa C) Aa x Aa E) Aa x aa 5. Which of the following human traits is an example of codominance? A) sickle-cell anemia D) AB blood type B) variation in eye color 6. Which of the following is true regarding an individual who has inherited one sickle-cell gene and one normal gene...
etics Assignment As Save Sub An inactivated X chromosome is called a(n) O linked body O linked chromosome O Barr body O SRY body O polar body Punnett Squares Homework BMS 100 (1) s Mailings Review View Help Tell me what you want to do ●A-E |r, : ·田 1Normall1NoSpac Heading 1 Heading 2 Paragraph Styles Name Punnett Square Homework 1. Dimples are dominant and not having dimples is recessive. A man with dimples has children with a woman who...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome 21. He marries a woman who produces 100 units of the same enzyme due to the heterozygous pairs of genes on her chromosomes 21. Their firstborn son has three copies of chromosome 21 and produces 200 units of the enzyme mentioned above. a) In which parent did the nondisjunction occur? b) Did the nondisjunction occur in meiosis I, meiosis II or mitosis? c) What...
4. A man makes 0 units of an enzyme due to homozygous recessive gene on chromosome 21. He marries a woman who produces 100 units of the same enzyme due to the heterozygous pairs of genes on her chromosomes 21. Their firstborn son has three copies of chromosome 21 and produces 200 units of the enzyme mentioned above. a) In which parent did the nondisjunction occur? b) Did the nondisjunction occur in meiosis I, meiosis II or mitosis? c) What...
Name Sex-linked traits are genetic char segments of DNA found on chromosomes that Sex-Linked Traits Senetic characteristics determined by genes located on sex chromosomes. Genies are and on chromosomes that carry information for protein production and that are sponsible for the inheritance of specific traits Genes exist in alternative forms called alleics. or a trail is inherited from each parent Like traits originating from genes on autosomes (non-se chromosomes), sex-linked to omosomes), sex-linked traits are passed from parents to offspring...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic series A dominant homozygote is lethal Coat coloration is determined by 2 genes Shows variable expressivity A qualitative, or continuous, trait involving polygenes Females mosaics for X-linked heterozygous color genes A. Manx cat B. Coat coloration rabbits C. Labrador retriever dogs D. Piebald spotting in beagles E. A and B blood alleles F. A and O blood alleles G. Calico cat H. Height of...
NAME: 6. Red-green color deficiency is an X-linked recessive trait. A woman with normal color vision has a father who is color-deficient. The woman has a child with a man with normal color vision. Which phenotype is NOT expected as a possibility for that child? a) a color-deficient male b) a color deficient female c) a male with normal color vision d) a female with normal color vision 7. Which of the individuals in the human pedigree shown below allow...
question 5-52
93 Dd D) dd D) aa x aa C) human height E) DI 4.Which of these crosses will only produce heterozygous offspring? B) AA x Aa C) Aa x Aa E) Aa x aa 5. Which of the following human traits is an example of codominance? A) sickle-cell anemia D) AB blood type B) variation in eye color 6. Which of the following is true regarding an individual who has inherited one sickle-cell gene and one normal gene...
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