What is the significance of the fact that couples who cannot taste PTC never have children who can?Based on these data, what can you conclude about PTC taste blindness? What is your evidence?The second parent-phenotype combination would appear to represent a group of test crosses. What ratios are expected from test crosses and what does each ratio represent? These data don’t seem to fit either of these expected ratios. How can you explain this? Part II – Mendelian GeneticsAfter obtaining some PTC from Arthur Fox, L.H. Snyder determined the PTC phenotype (can taste or cannot taste) for the members of 100 nuclear families. He first verified thatgender was not a factor by comparing the number of male tasters and non-tasters to the number of female tasters and non-tasters. Because there was essentially no differencebetween sexes, Snyder grouped families by the phenotypes of the parents, disregarding the gender of each parent, and tabulated his data (Snyder, 2015a).Phenotypes of ChildrenParent-Phenotype CombinationsNo. of familiesCan tasteCannot tasteBoth parents can taste409016One parent can taste,the other cannot518037Neitherparent can taste917

Phenylthiocarbamide(PTC): It is a non-toxic chemical compound having phenyl ring. It is also known…

Answered: What is the significance of the fact…

What is the significance of the fact that couples who cannot taste PTC never have children who can? Based on these data, what can you conclude about PTC

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 18QP: More Crosses with Pea Plants: The Principle of Independent Assortment Determine the possible...

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Concept explainers

Communication

Communication is a method of transferring information between two persons or organisms. Communication is possible using mutually understood behaviors such as signs, symbols, or language. In the year 1980, S. F. Scudder proposed communication theory. According to his ideas, all living beings on the earth communicate, but the methods of communication differ. Communication skills are now part of soft skills.

Question

What is the significance of the fact that couples who cannot taste PTC never have children who can?
Based on these data, what can you conclude about PTC taste blindness? What is your evidence?
The second parent-phenotype combination would appear to represent a group of test crosses. What ratios are expected from test crosses and what does each ratio represent? These data don’t seem to fit either of these expected ratios. How can you explain this?

Part II – Mendelian Genetics
After obtaining some PTC from Arthur Fox, L.H. Snyder determined the PTC phenotype (can taste or cannot taste) for the members of 100 nuclear families. He first verified that
gender was not a factor by comparing the number of male tasters and non-tasters to the number of female tasters and non-tasters. Because there was essentially no difference
between sexes, Snyder grouped families by the phenotypes of the parents, disregarding the gender of each parent, and tabulated his data (Snyder, 2015a).
Phenotypes of Children
Parent-Phenotype Combinations
No. of families
Can taste
Cannot taste
Both parents can taste
40
90
16
One parent can taste,
the other cannot
51
80
37
Neither
parent can taste
9
17

Definition Definition Observable physical traits or characteristics of an organism, which are determined by its genetic makeup (genotype) as well as environmental factors. These traits can include anything from eye color or height to behavior or disease susceptibility. Understanding an organism's phenotype is important in fields such as genetics, medicine, and ecology.

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