Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 8SQ
A female child inherits one X chromosome from her mother and one from her father. What sex chromosome does a male child inherit from each of his parents?
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Students have asked these similar questions
Which parent passes on the Y chromosome to the child?
Humans have two different sex chromosomes, X and Y.
Figure 4 below shows the inheritance of sex in humans.
Figure 4
Mother
Father
XX
XX
Y
XY XY
a)
Copy the diagram into your answer booklet and draw a circle on the part
of Figure 4 that shows an egg cell.
b)
What is the genotype of the male offspring?
c)
A man and a woman have two sons. The woman is pregnant with a
third child. What is the chance that this child will also be a boy?
Sex determination of child is done by whose chromosome?
Chapter 14 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 14 - Constructing a pedigree is particularly useful...Ch. 14 - Prob. 2SQCh. 14 - Prob. 3SQCh. 14 - Prob. 4SQCh. 14 - Prob. 5SQCh. 14 - A trait that is present in a male child but not in...Ch. 14 - Color blindness is a case of ______ inheritance....Ch. 14 - A female child inherits one X chromosome from her...Ch. 14 - Prob. 1DAACh. 14 - Prob. 2DAA
Ch. 14 - Prob. 3DAACh. 14 - Prob. 9SQCh. 14 - Expression of the SRY gene on the Y chromosome...Ch. 14 - Prob. 11SQCh. 14 - Prob. 12SQCh. 14 - Prob. 13SQCh. 14 - Prob. 14SQCh. 14 - Match the chromosome terms appropriately. ____...Ch. 14 - Prob. 1GPCh. 14 - Does the phenotype indicated by the red circles...Ch. 14 - Human females have two X chromosomes (XX); males...Ch. 14 - A mutated allele responsible for Marfan syndrome...Ch. 14 - The somatic cells of most individuals with Down...Ch. 14 - Mutations in the genes for clotting factor VIII...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Clark Kent and Lois Lane Kent are about to have a (Super) baby. As Superman, Clark possesses amazing traits, including heat-ray vision. Assume that this is: a) a dominant trait, and b) carried on the X chromosome. If Clark and Lois have a boy or a girl, what is the probability that they will possess their father's amazing abilities? (Remember: females have XX chromosomes, while males have XY chromosomes. The Y chromosome doesn’t carry any of the genes on the X chromosome). X H = Superman’s heat-ray vision allele on his X chromosome Y = Superman’s Y chromosome X h = Lois’s normal vision allele on her X chromosomearrow_forwardWhy are newborns with an abnormal sex chromosome number more likely to survive than those with an abnormal autosome number?arrow_forwardA color-blind man marries a woman with normal vision whose father was color-blind. Remember that color-blindness is an X-linked recessive trait. Hint: see figure 12.7 in book. A) What is the probability that their first child will be a color-blind daughter? B) What is the probability that their first son will be color-blind?arrow_forward
- A diploid fruitfly has 8 chromosomes. How many chromosomes are present in an individual with trisomy in Chromosome 1 and Chromosome 2? A person is born with two X chromosomes, trisomy 21 and two copies of other chromosomes. How many chromosomes are present in this individual? * A couple is planning to have three children. What is the probability of having all boys? *arrow_forwardMen have XY (or YX) chromosomes and women have XX chromosomes. X-linked recessive genetic diseases (such as juvenile retinoschisis) occur when there is a defective X chromosome that occurs without a paired X chromosome that is not defective. Represent a defective X chromosome with lowercase x, so a child with the xY or Yx pair of chromosomes will have the disease and a child with XX or XY or YX or xX or Xx will not have the disease. Each parent contributes one of the chromosomes to the child. Complete parts a through d below. a. If a father has the defective x chromosome and the mother has good XX chromosomes, what is the probability that a son will inherit the disease? nothing (Type an integer or a decimal. Do not round.) b. If a father has the defective x chromosome and the mother has good XX chromosomes, what is the probability that a daughter will inherit the disease? nothing (Type an integer or a decimal. Do not round.) c. If a mother has one defective x…arrow_forwardIn humans, hemophilia is a sex-linked recessive disease, and the gene is located on the X chromosome. A man with hemophilia marries a woman with hemophilia. What is the probability of a son they have been a hemophiliac?arrow_forward
- Hemophilia results from a sex-linked gene. The disease is most common in males, but the hemophilia allele is on the X chromosome. Explain this apparent anomaly.arrow_forwardA homozygous mother has retinoblastoma, a dominant sex-linked disorder carried on the X chromosome. The father does not have this disorder. What is the chance they will have a child with this disorder? 1) 0% 2) 25% 3) 50% 4) 75% 5) 100% 身arrow_forwardA man with red-green color blindness marries a woman who is not color blind. They have 3 children, one of which is a color blind girl. What is the genotype of the mother? Color blindness is an X-linked trait.arrow_forward
- Can a single offspring inherit both chromosomes from one parent? Explain.arrow_forwardA mother and father have four children; two sons and two daughters. What is the probability that the brothers share the same Y chromosome? 100% 25% 50% 0%arrow_forwardHuman sex chromosomes are XX for females and XY for males. a. With respect to an X-linked gene, how many different types of gametes can a male produce? b. If a female is homozygous for an X-linked allele, how many different types of gametes can she produce with respect to this allele? c. If a female is heterozygous for an X-linked allele, how many different types of gametes can she produce with respect to this allele?arrow_forward
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