Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Transcribed Image Text:For 1% of all births, a woman gives birth to twins
or other multiples.
ii
develops into two offspring. The statement above is
completed by the information in row:
twins are not alike.
twins are formed when one fertilized egg(s)
Rowi
ii
A. FraternalIdentical
Identical Fraternal
C.
D. Identical Identical
В.
Fraternal Fraternal
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- A couple decided they want to have a total of 7 children. However, they want to set realistic expect and are trying to figure out how lively they are to get certain combinations. (Assuming the probability of having a boy is equal to the probability of having a girl) what is the probability that a family with 7 children will consist of 4 sons and 3 dauchtersarrow_forwardBelow is a pedigree for a family into which Individual III-4 has married. He and his spouse, Individual III-3, are visiting a genetic counselor because they are expecting a baby (Individual IV-1). They want to know the chance that the baby will get the autosomal recessive genetic disease seen in Individual II-2. Overall, in the population, the disease is known to affect 1 in 625 individuals in the population to which this family belongs [assume this frequency is the result of random mating so represents f(aa)] I. II. E III. IV. 1 1 2 2 3 1 3 1 4 2 4 5arrow_forwardColor blindness is an x-linked recessive disorder. A woman who is a carrier for color blindness has children with a man who is color blind. Determine the probability that their child will be color blind. a. 0 % b. 25% c. 50% d. 100%arrow_forward
- (healthy) Tom and his wife Julie are both carriers for cystic fibrosis, an autosomal recessive disease. Draw a Punnett square and be sure to include the following information for f credit: 1. Place the parents alleles at the top and on the left side. 2. Write in the allele crosses inside the Punnett squares. 3. Write out the genotypes probabilities for an offspring. 4. Write out the phenotype probabilities for an offspring. E 5. What is the chance that Tom and Julie's first child will have cystic fibrosis?arrow_forwardPLESE ANSWER ONLY QUESTION NUMBER 7 ONLYarrow_forwardPlease write or type out the genotypes of each individual on the pedigree in a clear wayarrow_forward
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