Understanding basics of genetics. | Quick Homework Help

1) Tay-Sachs is a recessive genetic disease in humans. If one parent is homozygous normal and the other is a carrier (heterozygous), what are the chances that their child will have this disease?

a) 0%

Don't use plagiarized sources. Get Your Custom Essay on
Understanding basics of genetics. | Quick Homework Help
Get an essay WRITTEN FOR YOU, Plagiarism free, and by an EXPERT!
Order Essay

b) 25%

c) 50%

d) 75%

e) 100%

2) If an organism shows a recessive phenotype, such as short pea plants, it can be

a) either TT or Tt.

b) either TT or tt

c) only Tt.

d) TT, Tt, or tt

e) only tt.

3) In humans, assume red hair is recessive to dark hair. What are the chances of a dark haired couple having a red-haired child if each had one  red-haired parent?

a) 0

b) 25%

c) 50%

d) 75%

e) 100%

4) If the genotype of an organism is YySsTt, then yST would represent

a) the genotype of the offspring.

b) a gamete of that parent organism .

c) a possible phenotype of the offspring.

d) a possible zygote.

e) the P generation.

5) In guinea pigs, B = black, b = brown, S = short hair, s = long hair. A dihybrid reproduces with a dihybrid. The expected results are

a) 9 black long hair, 3 black short hair, 3 brown long hair, one brown short hair.

b) 9 black short hair, 6 black long hair, 3 brown long hair, one black short hair.

c) 9 black short hair, 3 black long hair, 3 brown short hair, one brown long hair.

d) 9 brown short hair, 3 black long hair, 3 brown long hair, one black short hair.

6.Karyotyping can be used to diagnose which of the following genetic disorders?

a) cystic fibrosis

b) Down syndrome

c) neurofibromatosis

d) phenylketonuria

e) hemophilia

7.If a chromosomal segment is turned around 180, the chromosomal mutation is termed a(n)

a) translocation.

b) duplication.

c) deletion.

d) inversion.

e) invertiploid.

8) Which statement is true regarding the Barr body?

a) It is found in the nuclei of males.

b) It is found in the nuclei of females.

c) It is found in the cytoplasm of males.

d) It is found in the cytoplasm of females.

e) It is a condensed inactive Y chromosome.

9) If a person inherits two X chromosomes, this individual will be

a) female.

b) male.

c) colorblind.

d) sterile.

e) a poly-X female.

10) A colorblind (recessive trait) woman will pass the allele to

a) her sons only.

b) her husband.

c) her daughters only.

d) none of her children.

e) all her children. 

 

Quick Homework Essays
Calculate your paper price
Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.