1. A human individual has 22__________________ and 2_______________ 2. An individual with 22 XX is a...
- 1. A human individual has 22__________________ and 2_______________
- 2. An individual with 22 XX is a _____________ and with 22 XY is a __________
- 3. An individual with more than 3 chromosome 21 said to have _____________ syndrome and this condition is called_ _________.
Homework Answers
- 1. A human individual has 22 autosomes(numberd by size) and 2 sex chromosomes (X and Y)
- 2. An individual with 22 XX is a female and with 22 XY is a male _
- 3. An individual with more than 3 chromosome 21 said to have Down syndrome and this condition is called trisomy 21.
- ( down syndrome is characterized by characteristic facial features. physical growth delays,mild to moderate intellectual disability, etc and have 1 extra chromosome at 21 number chromosome.)
Add Answer to:
1. A human individual has
22__________________ and 2_______________
2. An individual with 22 XX is a...
Aneuploidy of an autosome is always more harmful than an aneuploidy of a sex chromosome. One...
Aneuploidy of an autosome is always more harmful than an aneuploidy of a sex chromosome. One of the explanations as to why sex-chromosome aneuploids are less harmful is due to X inactivation. X-inactivation assures that all human cells only express a single X chromosome regardless of how many X chromosomes are present. Interestingly, sex chromosome aneuploids (i.e. XXY, XO) still have some different phenotypes compared to either an XX or XY individual. For instance, XXY individuals (Klinefelter Syndrome) are taller, have...
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...
22. [9 PTS] Turner syndrome results when an individual has a genotype of XO (a single...
22. [9 PTS] Turner syndrome results when an individual has a genotype of XO (a single X chromosome), and no other sex chromosomes. Color-blindness results from mutation of a single gene on the X chromosome. A couple, both of whom have normal color vision, have a color-blind child with Turner's syndrome. a. Did non-disjunction occur in the mother, or the father, or is it impossible to tell? Explain your answer. (3 pts) (continued next page. b. In the space provided...
is caused by a single gene that is located on the X chromosome. Because human females...
is caused by a single gene that is located on the X chromosome. Because human females have two X c (XX), they have The disease two copies of this gene. Since hemophilia is recessive (h), a female must have two copies of the recessive allele to have the disease A human male (XY) on the other hand, has only one X chromosome, and so needs only one copy of the recessive allele to have the disease Complete the Punnett square...
Please show calculation steps for this. Thank you Familial down syndrome is due to a Robesonian...
Please show calculation steps for this. Thank you
Familial down syndrome is due to a Robesonian translocation that fuses chromosome 21 to chromosome 14 (most often). Individuals that have this translocated chromosome but no symptoms of Down syndrome are called translocation carriers. How many chromosomes do translocation carriers have (human diploid cells are typically 2N=46)? If an individual has a Down syndrome caused by the presence of this type of Robesonian translocation, how many chromosomes do they have?
please help Question 1 (Mandatory) (2 points) A gamete from a human male contains: 22 autosomes...
please help
Question 1 (Mandatory) (2 points) A gamete from a human male contains: 22 autosomes and either an X or a Y chromosome. 23 autosomes and either an X or a Y chromosome. 23 autosomes and an X chromosome. 23 autosomes and a Y chromosome. 22 autosomes, one X chromosome, and one Y chromosome. Question 2 (Mandatory) (2 points) A karyotype you are viewing shows an extra piece of chromosome 1 attached to chromosome 22. What type of abnormality...
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...
Who can help me to solve the questions 1-4? Figure 4-5 is the same as Figure 4-6 Exercise B4&5 A 1-3 C6-12 F 19 & 20 E 16-18 D 13-15 Chromosome Formula: 44 + XXY Sex of Patient: Male Name of...
Who can help me to solve the questions 1-4?
Figure 4-5 is the same as Figure 4-6
Exercise B4&5 A 1-3 C6-12 F 19 & 20 E 16-18 D 13-15 Chromosome Formula: 44 + XXY Sex of Patient: Male Name of Syndrome, if any: Klenifelter's Syndrome Description of Syndrome, if any: Y G 21 & 22 sorry--you'll have to look this up yourself! Sample human karyotype. Use as a guide for assembling your karyotype on Figure 4-6. Figure 4-5. Lab...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra)...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra) chromosome 21. Although fertility is reduced in both sexes, females have higher fertility rates than males. Van Dyke et al. (1995; Down Syndrome Research and Practice 3(2):65-69) summarize data involving children born of Down syndrome individuals. Assume that children are born to a female with Down syndrome and a normal 46-chromosome male. What proportion of the offspring would be expected to have Down syndrome?...
I need answers for 5 to 8. thank you 5. It is probable that a probability...
I need answers for 5 to 8. thank you
5. It is probable that a probability question is in the future From the cross AaBbceDdEell X AABECcDdeer what is the probability of obtaining the genotype AabbCcDDEeff in the progeny? 6. Fill in XY female Cri du Chat Down syndrome XX male Anhydrotic ectodermal dysplasia Patau syndrome Hemophilia Polydactyly Phenylketonuria Achondroplasia Alkaptonuria a) Develop male structure, but experiences infertility b) Develop female structures but may not have ovaries c) Female heterozygotes...
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...
22. [9 PTS] Turner syndrome results when an individual has a genotype of XO (a single X chromosome), and no other sex chromosomes. Color-blindness results from mutation of a single gene on the X chromosome. A couple, both of whom have normal color vision, have a color-blind child with Turner's syndrome. a. Did non-disjunction occur in the mother, or the father, or is it impossible to tell? Explain your answer. (3 pts) (continued next page. b. In the space provided...
is caused by a single gene that is located on the X chromosome. Because human females have two X c (XX), they have The disease two copies of this gene. Since hemophilia is recessive (h), a female must have two copies of the recessive allele to have the disease A human male (XY) on the other hand, has only one X chromosome, and so needs only one copy of the recessive allele to have the disease Complete the Punnett square...
Please show calculation steps for this. Thank you
Familial down syndrome is due to a Robesonian translocation that fuses chromosome 21 to chromosome 14 (most often). Individuals that have this translocated chromosome but no symptoms of Down syndrome are called translocation carriers. How many chromosomes do translocation carriers have (human diploid cells are typically 2N=46)? If an individual has a Down syndrome caused by the presence of this type of Robesonian translocation, how many chromosomes do they have?
please help
Question 1 (Mandatory) (2 points) A gamete from a human male contains: 22 autosomes and either an X or a Y chromosome. 23 autosomes and either an X or a Y chromosome. 23 autosomes and an X chromosome. 23 autosomes and a Y chromosome. 22 autosomes, one X chromosome, and one Y chromosome. Question 2 (Mandatory) (2 points) A karyotype you are viewing shows an extra piece of chromosome 1 attached to chromosome 22. What type of abnormality...
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...
Who can help me to solve the questions 1-4?
Figure 4-5 is the same as Figure 4-6
Exercise B4&5 A 1-3 C6-12 F 19 & 20 E 16-18 D 13-15 Chromosome Formula: 44 + XXY Sex of Patient: Male Name of Syndrome, if any: Klenifelter's Syndrome Description of Syndrome, if any: Y G 21 & 22 sorry--you'll have to look this up yourself! Sample human karyotype. Use as a guide for assembling your karyotype on Figure 4-6. Figure 4-5. Lab...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra) chromosome 21. Although fertility is reduced in both sexes, females have higher fertility rates than males. Van Dyke et al. (1995; Down Syndrome Research and Practice 3(2):65-69) summarize data involving children born of Down syndrome individuals. Assume that children are born to a female with Down syndrome and a normal 46-chromosome male. What proportion of the offspring would be expected to have Down syndrome?...
I need answers for 5 to 8. thank you
5. It is probable that a probability question is in the future From the cross AaBbceDdEell X AABECcDdeer what is the probability of obtaining the genotype AabbCcDDEeff in the progeny? 6. Fill in XY female Cri du Chat Down syndrome XX male Anhydrotic ectodermal dysplasia Patau syndrome Hemophilia Polydactyly Phenylketonuria Achondroplasia Alkaptonuria a) Develop male structure, but experiences infertility b) Develop female structures but may not have ovaries c) Female heterozygotes...
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