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
Svetradugi [14.3K]
3 years ago
13

In a population of pea plants, 36 plants are homozygous for the dominant trait of yellow peas (YY), 48 plants are heterozygous f

or the yellow pea trait (Yy), and 16 plants have green peas (yy). What is the frequency of the dominant allele (Y) in the population?
A. 0.40
B. 0.55
C. 0.60
D. 0.75
Biology
1 answer:
baherus [9]3 years ago
5 0

Answer:

The correct answer would be C. 0.60

It can be calculated with the help of Hardy-Weinberg equation i.e

p² + q² + 2pq = 1

Also, p + q = 1

  • where p represents the frequency of dominant allele.
  • q represents the frequency of recessive allele.
  • p² represents the frequency of homozygous dominant genotype .
  • q² represents the frequency of homozygous recessive genotype .
  • 2pq represents the frequency of heterozygous genotype.

Number of homozygous dominant (YY) = 36

Number of homozygous recessive (yy) = 16

Number of heterozygous dominant (Yy) = 48

Total number of plants = 100

Now, frequency of homozygous dominant (YY) = 36/100 = 0.36

Therefore, p² = 0.36

So, p = √0.36 = 0.60

Hence, frequency of dominant allele (Y) = 0.60

You might be interested in
A bird species lives inside a greenhouse, what
Natalija [7]

Answer:

The greenhouse effect increases temperature, putting the natural instinct to hibernate on hold. Mating seasons rely on warming and cooling trends, as well. Even a slight increase in temperature causes animals to mate earlier.

Explanation:

5 0
2 years ago
One difference between cancer cells and normal cells is that cancer cells ________.
fredd [130]
<span>continue to divide even when they are tightly packed together.
Hope this helps(;</span>
4 0
2 years ago
Which statement about predator and prey adaptations is correct?
Alexeev081 [22]
I’m almost positive it’s C cause speed is very common within predator, and prey species predators to catch the prey and prey to try and survive the predators.
7 0
2 years ago
When an action potential arrives at the axon terminal of a motor neuron, which ion channels open?
HACTEHA [7]

Answer:

Calcium voltage gated ion channels

Explanation:

There are two types of ion channels involved in the neuromuscular junction and end plate potentials: voltage-gated ion channel (responsive to changes in membrane voltage which cause the voltage gated ion channel to open) and ligand-gated ion channel (responsive to certain molecules such as neurotransmitters).

The resting membrane potential of a motor neuron goes from -70mV to -50 with a higher concentration of sodium outside and a higher concentration of potassium inside. <em>When an action potential propagates down a nerve and reaches the axon terminal of the motor neuron, the change in membrane voltage causes the calcium voltage gated ion channels to open allowing for an influx of calcium ions. </em>These calcium ions cause the acetylcholine vesicles  to release acetylcholine via exocytosis into the synaptic cleft.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
What do scientists know about extrasolar planets? There are very few that are habitable. There are several that have liquid wate
andreev551 [17]
There are likely billions of them in the galaxy
8 0
2 years ago
Read 2 more answers
Other questions:
  • What structure stores and concentrates bile to aid in the digestion of fats?
    8·1 answer
  • I need help FAST!!!!
    9·2 answers
  • which of The following statement proves that scientific knowledge change due to the discovery of Otzi the iceman
    13·1 answer
  • Which tenet of the cell theory is being demonstrated by the graph below? A.) cells can never be destroyed B.) cells are the smal
    8·1 answer
  • What do all of the organ systems in a human form?
    15·2 answers
  • When the population rises above the carrying many individuals will
    5·1 answer
  • Why is personal hygiene important for limiting the spread of diseases?
    6·1 answer
  • Which factor activates a convection current, starting the flow of a fluid?
    6·2 answers
  • Which of the cell types shown is most associated with the production and flow of cerebrospinal fluid (CSF)?
    12·1 answer
  • Plant cells have cell walls, but animal cells don’t. Why might that be?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!