Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

A haploid strain of Aspergillus nidulans carried an auxotrophic met-8 mutation conferring a requirement for methionine. Several million asexual spores were plated on minimal medium, and two prototrophic colonies grew and were isolated. These prototrophs were crossed sexually with two different strains, with the progeny shown in the body of the following table, where met+ means that methionine is not required for growth and met- means that methionine is required for growth.
crossed with Prototroph

a) describe the origin of both of the original prototrophic colonies.

b) describe the results of all four crosses, using clearly defined gene symbols.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M944239

Have any Question? 


Related Questions in Biology

What is the phenotypic ratio that can be used as a

What is the phenotypic ratio that can be used as a hypothesis for a heterozygous dihybrid cross (cross of heterozygotes for two traits) if the traits follow the properties of Mendelian inheritance?

Provide answers to the following in essay forma identify

Provide answers to the following in essay form. a) Identify three different general types of fossil fuels. b) Identify and discuss environmental problems that are associated with using these fossil fuels. c) Identify 3 t ...

Identifynbspan organism that lives within 50 miles of your

Identify  an organism that lives within 50 miles of your home.  I live in Panama City, Florida 32405 I would like to use the wolf please? Write  a 1,050- to 1,400-word paper about how the organism has adapted to survive ...

Explain how the decline in genetic diversity with distance

Explain how the decline in genetic diversity with distance from Africa supports the Out of Africa hypotheses.

Blood typingintroductionblood typing is critical in

Blood Typing Introduction Blood typing is critical in medicine. If a person receives the wrong type of blood, they can die. The purpose of this virtual lab is to allow you to simulate determining the blood type of three ...

Compare and contrast spermatogenesis and oogenesis in

Compare and contrast spermatogenesis and oogenesis in humans.

Scientific advances are pointing researchers to new ideas

Scientific advances are pointing researchers to new ideas about how to reduce the side effects of epilepsy medications and improve therapy options for those resistant to current medications. Ongoing studies in animals an ...

Look up in your textbook or internet source information on

Look up in your textbook or internet source information on how each of these drugs works on the cellular level and complete the chart below. Be sure to note your source of information. DRUG HOW IT WORKS AT CELLULAR LEVEL ...

1 describe how the lac operon functions when glucose and

1. Describe how the lac operon functions when glucose and lactose levels are high. 2. Describe how the lac operon functions when glucose levels are low and lactose levels are high. 3. Describe how the lac operon function ...

Recent scientific and public policy discussions have

Recent scientific and public policy discussions have focused on some natural and man-made substances, external to the body, and whether or not these substances interact with the endocrine system. The topic of "endocrine ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen