1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ankoles [38]
3 years ago
6

Why is a testcross necessary to determine genotype when an organism shows a dominant trait

Biology
1 answer:
soldier1979 [14.2K]3 years ago
8 0
A dominant trait can be shown both when an organism is homozygous dominant AND heterozygous. Two different genotypes give the same visible result so a testcross is needed to be able to accurately say if the organism is homozygous dominant or heterozygous
You might be interested in
WILL GIVE A BRAINLEST
babymother [125]
The answer is nucleus
7 0
3 years ago
Please help!!!
MaRussiya [10]

Answer:

Explanation:

A sequence of flowing lava, pyroclastic flows, volcanic eruptions, caldera-forming events, and earthquakes changed the landscape of Yellowstone forever. The pressure exerted by the magma chamber has resulted in measurable ground deformation in certain parts of Yellowstone known as resurgent pressure domes.

Fire Activity also causes the Yellowstone to change. As the number of very large wildfires and total acres burned annually increases, there is an increasing frequency of warm spring and summer temperatures, reduced winter precipitation, and early snowmelt in the Western United States during the last 20 years.

In 1995, the wolf population increased in Yellowstone, causing the deer population to decrease and to change their behavior. When threatened by wolves, deer graze less and move about to aerate the soil.

In the 70 years since the wolves left Yellowstone, the entire ecosystem had collapsed into chaos, with coyotes running riot, and elks overgrazing willows and aspens. Without those trees, songbirds declined, beavers could not build their dams, and riverbanks eroded.

4 0
3 years ago
Killer whales
erica [24]

Answer: Decomposers

Explanation:

7 0
2 years ago
What force causes leaves, rain, and snow to fall to the ground?
Anton [14]

Answer:

Gravity.

Explanation:

Gravity is what causes stuff to fall. It also keeps us on the ground, If there were no gravity, life wouldn’t exist as we know it today. Brainliest please! I need brainlest in order to keep answering questions!!

7 0
3 years ago
Which will most likely result if the levels of dissolved oxygen decrease in a body of water?
iogann1982 [59]
B) Native fish species will begin to decrease in population size.
7 0
2 years ago
Read 2 more answers
Other questions:
  • Transport of a substance from the lumen (cavity) of an organ into one side of a cell and out the other side of the cell into the
    14·2 answers
  • The cances are 50/50 because if it snowe tonight that means tjat the ir up in the sky has become freezing and ifball of the snow
    14·1 answer
  • What is the amount of heat required to raise the temperature of water reffed to as?
    6·1 answer
  • Angie hit the back of her head and now she has difficulty walking. her doctor found that her spinal cord is intact but her _____
    12·1 answer
  • Which action shows a creative approach to the process of scientific inquiry?
    8·1 answer
  • If the horse has 64 chromosomes In each of its body cells how many chromosomes will be in each gamete cells after meiosis
    14·1 answer
  • In a certain population of red squirrele, a mutation causes several squirrels to
    7·2 answers
  • What is the most accurate classification of the common forms of coronary artery disease and hypertension?
    12·1 answer
  • Jean-Paul is racing in the Tour de France bicycle race is moving along rapidly at a speed of 15 km per hour is suddenly a strong
    10·2 answers
  • Describe the three methods for harvesting stem cells, for each method, explain the benefits of the method and the ethical concer
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!