Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

In birds, males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. This locus is hemizygous in females (ZW). What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female

Biology, Academics

  • Category:- Biology
  • Reference No.:- M944382

Have any Question? 


Related Questions in Biology

A child is born with a genetic disorder in which there is a

A child is born with a genetic disorder in which there is a deletion of part of a chromosome, and the child is predicted to be severely mentally retard. Which diagnosis should the nurse expect to see on the infant s char ...

1 much pharmaceutical research targets developing

1. Much pharmaceutical research targets developing anti-cancer drugs that can effectively stimulate the methylation of DNA. Formulate a possible hypothesis to explain why DNA methylation might be an effective anticancer ...

1 which type of vessels arteries or veins has more muscle

1) Which type of vessels, arteries, or veins, has more muscle fibers? What is the functional significance of this? 2) In general, we have no conscious control over smooth muscle or cardiac muscle function, whereas we can ...

What are the primary differences between a steroidlipid

What are the primary differences between a steroid/lipid soluble hormone and a protein hormone?

Which common characteristics is not shared by birds and

Which common characteristics is not shared by birds. and mammals? Breathing using lings Viviparity warm blooded nature.

State one example of animals having a single opening to the

State one example of animals having a single opening to the outside that serves both as a mouth as well as the Amy's is?

Identical twins jan and fran were very close sisters so

Identical twins Jan and Fran were very close sisters. So when Jan died suddenly, Fran moved in to help take care of Jan's daughter (her neice), Millie. Some time later Fran married her brother in law and became Millie's ...

Urgent two immune system questionsactivated t-helper cells

URGENT: Two immune system questions: Activated T-helper cells aid in humoral immune responses by releasing cytokines which promote antibody production, phagocytosis, neutralization and apoptosis. Which parts of this stat ...

Two immune system questionsactivated t-helper cells aid in

Two immune system questions: Activated T-helper cells aid in humoral immune responses by releasing cytokines which promote antibody production, phagocytosis, neutralization and apoptosis. Which parts of this statement ar ...

What type of reproduction uses part of a plant body becomes

What type of reproduction uses part of a plant body becomes separated off to give rise to new individuals?

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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