BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 14, Problem 9SA
Alleles for Tay-Sachs disease are inherited in an autosomal recessive pattern. Why would two parents with a normal
| a. Both parents are homozygous for a Tay-Sachs allele. |
| b. Both parents are heterozygous for a Tay-Sachs allele. |
| c. New mutations gave rise to Tay-Sachs in the child. |
| d. b or c |
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Students have asked these similar questions
Biology
When both parents are heterozygous carriers of the recessive allele that causes albinism, what percentage of their offspring will be heterozygous carriers of the albinism allele?
Answer Choices:
A: 25%
B: 50%
C: 75%
D: 100%
a. Is the trait indicated by the solid symbols inherited in a dominant or recessive manner? (2)
b. Give a definitive reason for your answer in (a). (This reason should not be skips a generation or doesn’t skip a generation).
c. Assign genotypes for individuals III-3 in both pedigrees.
A) A woman with type O blood is expecting a child. Her husband is type A and her husband's parents both had type AB blood. What will be their child’s blood type?
2.
A)A woman with type O blood is expecting a child. Her husband is type A and her husband's parents both had type AB blood. What will be their child’s blood type?
B) A couple has one child with type AB blood. If one parent is heterozygous for blood type A and the other parent is homozygous for their blood type, what are the chances of their future children having: Type A blood? Type B blood? Type AB blood? O blood?
Chapter 14 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 14 - Constructing a family pedigree is particularly...Ch. 14 - Prob. 2SACh. 14 - Prob. 3SACh. 14 - Prob. 4SACh. 14 - Prob. 5SACh. 14 - A trait that is present in a male child but not in...Ch. 14 - Color blindness is a case of ________ inheritance....Ch. 14 - Prob. 8SACh. 14 - Alleles for Tay-Sachs disease are inherited in an...Ch. 14 - Prob. 10SA
Ch. 14 - Prob. 11SACh. 14 - Prob. 12SACh. 14 - Prob. 13SACh. 14 - Klinefelter syndrome XXY can be easily diagnosed...Ch. 14 - Match the chromosome terms appropriately. ___...Ch. 14 - Does the phenotype indicated by the red circles...Ch. 14 - Human females have two X chromosomes XX; males...Ch. 14 - Somatic cells of individuals with Down syndrome...Ch. 14 - An allele responsible for Marfan syndrome Section...Ch. 14 - Both Duchenne muscular dystrophy and color...
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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
- In genetics, F stands for filial, which means ________. a. friendly c. final b. offspring d. hairlikearrow_forwardUse the pedigree to answer the question. What is Ann’s genotype for this trait? A. She must be AA. B. She must be Aa. C. She can be either aa or AA. D. She can either be AA or Aa.arrow_forwardWhich blood allele is recessive? A B AB Oarrow_forward
- when else do we see a non-Mendelian pattern of inheritance? a)When genes are located on different chromosomes b)When genes are located far away on the same chromosome c)When genes are located close together on the same chromosomearrow_forwardUse the pedigree to answer the question. What is Sandra’s genotype for this trait? A. She must be AA. B. She must be Aa. C. She can be either aa or AA. D. She can either be AA or Aa.arrow_forwardGregor mendels experiments sought to discover if he could find the rules that govern A. Genetics B. Heredity C. Meiosis D. Mutationsarrow_forward
- How is this trait inherited? A. The trait is epistatic. B. The trait is X-linked. C. The trait is dominant. D. The trait is recessive.arrow_forwardWhat is Polygenic Inheritance? A) When one gene has many effects B) The additive effect of 2 or more genes C) The genes that cause skin colorarrow_forwardThe next pedigree shows how the ABO blood type is being passed on from parents to offspring. Use that pedigree to answer the questions below. How many generations are there? ____________ Can you tell if the trait is dominant or recessive? Why or why not? ________________________________________________________________ Determine the genotypes of all individuals in the pedigree below. Use the following format for the genotypes.arrow_forward
- A cross between a horse homozygous for red hair and a horse homozygous for white hair results in offspring with the coat colour called roan. When you look at the fur of the roan offspring you see both red and white hairs. What type of inheritance best explains this? a) blending inheritance b)codominance c)incomplete codominance d)multiple allelesarrow_forwardpedigrees are only used by dog breeders to breed dogs with desirable traits ?arrow_forwardWhich phenomenon explains differences in the inheritance patterns of the appearance of a chin beard between males and females of certain species of goats, even when their genotypes are the same? A) sex-limited trait B) sex-influenced trait C) incomplete penetrance D) variable expressivity E) lethal allelearrow_forward
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