Purchase Solution

Epistasis, Pedigree Analysis and the Genetics of Sex

Not what you're looking for?

Ask Custom Question

Outlines of types of epistasis are included.

Purchase this Solution

Solution Summary

Epistasis, Pedigree Analysis and the Genetics of Sex are noted.

Solution Preview

Sex chromosomes:

A male needs only 1 copy of a recessive allele to display the phenotype. A female needs 2 copies. Therefore, males are more likely to display recessive traits.

Ex. Sex-influenced traits

Females:

AA > normal
Aa > normal
aa > bald

Males:

AA > normal
Aa > bald
aa > bald

Epistasis: interaction of different loci

Ex. AA or Aa > round
aa > wrinkled
BB or Bb > yellow
bb > green

If you cross: AaBb * AaBb

9 AABB or AABb or AaBB or AaBb (round, yellow)
3 AAbb or Aabb (round, green)
3 aaBB or aaBb (wrinkled, ...

Purchase this Solution


Free BrainMass Quizzes
Cellular Respiration

This quiz is a review for cellular respiration.

Breastfeeding Basics

How much do you know about breastfeeding? Find out with this quiz!

The Transfer of Energy in an Ecosystem

This quiz will assess your knowledge of how energy is transferred in an ecosystem and the different levels of trophic organization.

How Much Do You Know About Genetic Inheritance?

Most of us studied the basics of dominant and recessive genes at some point. However, genetics are much more complicated than this. How far beyond the basics does your knowledge go?

How Well Do You Know Your Body?

This quiz will assess the different systems of the human body. It will examine everything from the organs to the cellular processes that occur.