How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Scott Your Own Question

Scott
Scott, MIT Graduate
Category: Homework
Satisfied Customers: 3040
Experience:  MIT Graduate (Math, Programming, Science, and Music)
3546829
Type Your Homework Question Here...
Scott is online now
A new question is answered every 9 seconds

Please help. Just need to clarify my answers for these 9 questions. Chromosomes

Customer Question

Please help. Just need to clarify my answers for these 9 questions.

Chromosomes that occur in pairs and code for the same traits are called _____________ chromosomes; these do not include the __________________ chromosomes which code for gender.
homologous; autosomes
autosomes; homologous
diploid; haploid
homologous: sex
sex; autosomes


18. Parents with the dominant phenotype cannot have offspring with the recessive phenotype.
True because the dominant gene must be passed down from each parent.
True because at least one dominant gene will be passed down from each parent.
False because one parent could carry the recessive allele.
False because both parents could carry the recessive allele.
True because both parents have the dominant allele.


19. Morgan breeds and sells snakes. He knows that he can make the most money by breeding and selling albino snakes. Albinism is a recessive trait. His female albino corn snake just produced 6 offspring. Two displayed normal coloration and 4 were albino. What do you know about the genotype of the baby snakes with the normal coloration?
They must be homozygous dominant.
They must be homozygous recessive.
They must be heterozygous.
They could be either heterozygous or homozygous dominant.
There is not enough information to determine their genotype


20. If a homozygous black bull is mated with a homozygous white cow and the calf is gray, this would be an example of ___________. However, if the calf has black and white spots this would be an example of _______________.
incomplete dominance; a sex-linked trait
incomplete dominance; codominance
codominance; homology
complete dominance; polygenic trait
a sex-linked trait; a recessive trait


21. A man with blood type A and a woman with blood type B can have a baby with blood type O blood.
True because A and B are the dominant blood types and both individuals could carry a type O allele.
False, the child must have type AB blood.
False because A and B are codominant.
False because Type A and B are dominant blood types and these individuals cannot have an offspring with the recessive blood type.
True because only 1 O allele is needed.


22. Sickle cell disease is caused by a single mutation in the DNA of a particular gene. A person with this disease has red blood cells that lose their original donut shape and form a sickle shape. People with this disorder suffer from low energy levels, blood clots, and strokes. This is an example of
a multifactorial trait.
polygenic inheritance.
codominance.
pleiotropy.
incomplete dominance.


23. Which of the following is NOT true with regard to the law of segregation? (Points: 4)
Each individual has 2 factors for each trait.
Genes segregate during gamete formation.
Gametes contain only 1 gene from each pair.
During fertilization, each new individual obtains 2 genes for each trait.
Each gamete contains 2 genes for each trait.


24. When two alleles of the same gene are identical, the individual carrying those alleles is said to be
dominant.
heterozygous.
homozygous.
zygotes.
codominant


25. Skin color is coded for by several different genes which results in a range of skin colors from very dark to very light. This is an example of ________________.
polygenic inheritance
pleiotropy
codominance
incomplete dominance
the rule of multiplication
Submitted: 3 years ago.
Category: Homework
Expert:  Family Physician replied 3 years ago.
You said that you needed to clarify your answers. I don't see your answers. If you provide your answers, I will be happy to check them for you.

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
< Last | Next >
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
  • He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here. Diane Dallas, TX
 
 
 

Meet The Experts:

 
 
 
  • Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
< Last | Next >
  • http://ww2.justanswer.com/uploads/BU/BusinessTutor/2012-2-2_115741_Kouki2.64x64.jpg Manal Elkhoshkhany's Avatar

    Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
  • http://ww2.justanswer.com/uploads/ComputersGuru/2010-02-13_051118_Photo41.JPG LogicPro's Avatar

    LogicPro

    Engineer

    Satisfied Customers:

    3458
    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • http://ww2.justanswer.com/uploads/LI/lindaus/2012-6-10_04811_IMG20120609164157.64x64.jpg Linda_us's Avatar

    Linda_us

    Finance, Accounts & Homework Tutor

    Satisfied Customers:

    3124
    Post Graduate Diploma in Management (MBA)
  • http://ww2.justanswer.com/uploads/chooser77/2009-08-18_162025_Chris.jpg Chris M.'s Avatar

    Chris M.

    M.S.W. Social Work

    Satisfied Customers:

    2385
    Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
  • http://ww2.justanswer.com/uploads/JawaadAhmed/2009-6-27_12137_SIs_SHadi.jpg F. Naz's Avatar

    F. Naz

    Chartered Accountant

    Satisfied Customers:

    1988
    Experience with chartered accountancy
  • http://ww2.justanswer.com/uploads/JK/jkcpa/2011-1-16_182614_jkcpa.64x64.jpg Bizhelp's Avatar

    Bizhelp

    CPA

    Satisfied Customers:

    1876
    Bachelors Degree and CPA with Accounting work experience
  • http://ww2.justanswer.com/uploads/avremote/photoa.jpg Seanna's Avatar

    Seanna

    Tutor

    Satisfied Customers:

    1781
    3,000+ satisfied customers, all topics, A+ work
 
 
 
Chat Now With A Tutor
Scott
Scott
MIT Graduate
3040 Satisfied Customers
MIT Graduate (Math, Programming, Science, and Music)