« previous next »

Author Question: Calico cats are female because A) the males die during embryonic development. B) (Read 587 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jun 21, 2013
Calico cats are female because
A) the males die during embryonic development.
B) a male inherits only one of the two X-linked genes controlling hair color.
C) the Y chromosome has a gene blocking orange coloration.
D) only females can have Barr bodies.
E) multiple crossovers on the Y chromosome prevent orange pigment production.


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Jun 22, 2013
100% it's B, don't forget to gimmi a thumbs up :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #2 on: Aug 13, 2013
Thanks so much, you were right on.


« previous next »
 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

The Common Pochard - female The Common Pochard - female
How a catalyst circumvents unfavorable charge development during cleavage of an amide How a catalyst circumvents unfavorable charge development during cleavage of an amide
A Female Mouse Carrying a Pup A Female Mouse Carrying a Pup
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Development of Morality in Young Children Development of Morality in Young Children
Erosional Floodplain Development Erosional Floodplain Development
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library