What is hypertrichosis of the ear, Biology

Assignment Help:

In humans, attached earlobes are a dominant feature over free earlobes while hypertrichosis of the ear is a holandric (Y-linked) feature. A person with attached earlobes and extensive hair on pinna married another being having free earlobes. The couple had one son with attached earlobes and hairy pinna, another son with free earlobes and hairy pinna and two daughters with attached earlobes. One of the daughters married a person with free earlobes and sparse hair on pinna. They had two sons. What would be the characteristics of their pinnae?

a.  They would have sparse hair on pinna and there would be 1 in 4 chance that both will have attached earlobes. 

b.  Both will have attached earlobes and sparse hair on pinna.

c.  There would be equal chances for both having free or attached earlobes and sparse hair on pinnae.

d.  They would have hairy pinnae and there would be 1 in 8 chance that both will have attached earlobes. 

 


Related Discussions:- What is hypertrichosis of the ear

Explain bryophytes and tracheophytes, What is the difference between bryoph...

What is the difference between bryophytes and tracheophytes? Bryophytes are nonvascular plants (mosses, hornworts, liverworts), i.e., they do not have a conductive system for t

Non-muscular movement, NON-MUSCULA R MOVEMENT - 1 .      Streaming m...

NON-MUSCULA R MOVEMENT - 1 .      Streaming movement - In amoeba, cyclosis is common. 2 .      Pseudopodial - In leucocyte, macrophages, amoeboid movement take place

How the rhizopus reproduce?, How the Rhizopus reproduce? Rhizopus usual...

How the Rhizopus reproduce? Rhizopus usually reproduce asexually, but under unfavourable conditions, sexual reproduction (isogamous) occur resulting in formation of zygospores

Digestion of various disaccharides of the diet, Digestion of various disacc...

Digestion of various disaccharides of the diet The enzymes from brush border membrane of small intestine complete the digestion of various disaccharides of the diet and the pro

What are the major cellular features of fungi, Q. What are the major cellul...

Q. What are the major cellular features of fungi? There are pluricellular and unicellular fungi. All fungi are heterotrophs and eukaryotes. Fungi have cells with cell wall m

Define tips that should be followed before an event start, Define Tips that...

Define Tips that should be followed before an event Start? Before the event, following tips should be followed:   As the glycogen stores may be used up during night, a h

Explain about the cardiovascular and circulatory system, Explain about the ...

Explain about the Cardiovascular and Circulatory System? Aging affects the cardiac muscle causing a diminished resting cardiac output. The capacity of myocardium for cellula

Epidemiology of plague, Question 1 A patient is admitted to the hospital w...

Question 1 A patient is admitted to the hospital with suspected pneumococcal pneumonia. How would you confirm this initial diagnosis? Answer the following questions a) Which is

Show geniculate bodies of the thalamus, Q Show Geniculate Bodies of the tha...

Q Show Geniculate Bodies of the thalamus? THALAMUS - two large circular shaped masses at "roof" of 3rd brain ventricle. Contains many different nuclei which function as relay

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd