This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In order to produce fraternal twins you must have two a. X chromosomes. b. sperm. c. Y ... (Read 15 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
on: Jun 22, 2018
In order to produce fraternal twins you must have two
 
  a. X chromosomes.
  b. sperm.
  c. Y chromosomes.
  d. recessive genes.

Question 2

Fraternal twin siblings share
 
  a. precisely 50 percent of their genes.
  b. on average about 50 percent of their genes.
  c. on average about 25 percent of their genes.
  d. nearly 100 percent of their genes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

b


tfester

  • Hero Member
  • *****
  • Posts: 534
Reply #2 on: Jun 22, 2018
Thank you!


SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce
An old concept of genetic transmission—a homunculus in a sperm cell. An old concept of genetic transmission—a homunculus in a sperm cell.
The basic structure of a spermatozoon (SPERM). The basic structure of a spermatozoon (SPERM).
The Haploid Number of Chromosomes for a Variety of Organisms The Haploid Number of Chromosomes for a Variety of Organisms
Mataphase chromosomes Mataphase chromosomes
Genes on chromosomes Genes on chromosomes
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library