« previous next »

Author Question: _________ of the genes found on the X chromosome are duplicated on the Y chromosome. a. All b. ... (Read 231 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
on: Jun 21, 2018
_________ of the genes found on the X chromosome are duplicated on the Y chromosome.
 
  a. All
 b. None
 c. Most
 d. Some

Question 2

You were recently introduced to your roommate's sibling. To your surprise, even though the siblings are the same sex, they look nothing alike. Which of the following is the best explanation of this situation?
 
  a. They must have different parents, as genetic inheritance ensures that they share a significant number of genes.
  b. Although they started out very similar genetically, their genotypes have changed during development to make them look very different.
  c. Given the number of different combinations of genes possible during reproduction, it may be that the two siblings don't really share many gene alleles.
  d. One has expressed only recessive genes, while the other has not.


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 21, 2018
Answer to Question 1

d

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Map These Genes (Part 5) Map These Genes (Part 5)
A colorized image of the human male chromosome set A colorized image of the human male chromosome set
Organization of (a) the Alpha-globin gene subfamily on chromosome 16 Organization of (a) the Alpha-globin gene subfamily on chromosome 16
The regions of the human X chromosome distinguished by its banding pattern The regions of the human X chromosome distinguished by its banding pattern
Checkpoint Genes in Action Checkpoint Genes in Action
The fates of duplicate genes The fates of duplicate genes
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library