« previous next »

Author Question: One difference between sperm cells and ova is that: ova carry an X chromosome, whereas sperm ... (Read 151 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jun 22, 2018
One difference between sperm cells and ova is that:
 
  ova carry an X chromosome, whereas sperm carry either an X or a Y
  chromosome.
  ova carry two X chromosomes, whereas sperm carry two Y chromosomes.
  sperm carry more genetic material than ova do.
  sperm carry two X chromosomes, whereas ova carry an X and a Y
  chromosome.

Question 2

In the 23rd pair, a normal girl has:
 
  two X chromosomes.
  two Y chromosomes.
  one X and Y chromosome.
  one X chromosome.


jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

ova carry an X chromosome, whereas sperm carry either an X or a Y

Answer to Question 2

two X chromosomes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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.

DNA Packaged as Chromosome DNA Packaged as Chromosome
Measuring the Activity of Feature Detection Cells Measuring the Activity of Feature Detection Cells
The Types of Functions of the T Cells The Types of Functions of the T Cells
Comparison between eukaryotic and prokaryotic cells Comparison between eukaryotic and prokaryotic cells
Two Types of Cells Two Types of Cells
Paracentric and pericentric chromosome inversion Paracentric and pericentric chromosome inversion
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library