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
kari74 [83]
3 years ago
5

Scientists believe that there are three genes that contribute to skin color in humans. Which of these best describes the inherit

ance pattern of skin color? -multiple allele in which offspring receive three alleles from each parent -multiple allele in which offspring receive three alleles from only one parent -polygenic in which offspring receive three alleles from each parent -polygenic in which offspring receive three alleles from only one parent
Physics
2 answers:
Leokris [45]3 years ago
8 0

Answer:

polygenic in which offspring receive three alleles from each parent.

Explanation:

wolverine [178]3 years ago
6 0
Polygenic inheritance, the etymology itself, describes the trait of inheritance that is determined by more than one gene. It contradicts the Mendelian inheritance patterns which suggest that traits are determined by one gene.

The human skin color is a good example of polygenic or multiple-gene inheritance. The melanin pigment is responsible for the dark coloration of the skin and it must be noted that there are at least three genes which control the human skin color.

Utilizing a hypothetical example where the production of melanin is controlled by a so called contributing alleles (denoted as A, B, C) would result in a dark skin color and non-contributing alleles produce light skin color, it is not impossible to see a spectrum of skin colors would result in an offspring.

It must be taken into consideration that alleles do not display dominance over the other alleles. But rather, the contributing alleles does not mask the effects. It gives an additive effect- this means that each contributing allele produces one color unit.

Using two parents, heterozygous (two alleles of different types each) for each melanin-producing genes, (AaBbCc X AaBbCc), it is possible to see how additive effects and alleles combination would result to a varying types of genotypes.

Therefore, it needs an interaction between several different genes and for this to occur, it needs three alleles from both of its parents.

The answer would be, <span>-polygenic in which offspring receive three alleles from each parent.</span>



You might be interested in
Read the scenario below and answer the question that follows. Randall is hiring cooks for his restaurant. The first applicant is
Talja [164]
Randall has unconscious assumption that attractive people are more competent
4 0
3 years ago
A) An automobile light has a 1.0-A current when it is connected to a 12-V battery. Determine the resistance of the light.
kirill [66]

Answer:

The resistance in first case is 12 Ω, power delivered is 12 W, and potential difference is 0.01 V

Explanation:

Given:

(A)

Current I = 1 A

Voltage V = 12 V

For finding the resistance,

  V = IR

  R = \frac{V}{I}

  R = \frac{12}{1}

  R = 12Ω

(B)

For finding power delivered,

  P = I^{2} R

  P = (1) ^{2} \times 12

  P = 12 Watt

(C)

For finding the potential difference,

   V = IR

   V = 5 \times 10^{-3} \times 2

   V = 10 \times 10^{-3}

   V = 0.01 V

Therefore, the resistance in first case is 12 Ω, power delivered is 12 W, and potential difference is 0.01 V

4 0
3 years ago
What type of energy is involved when a river moves sediment and erodes its banks?
ziro4ka [17]
<span>First question: The type of energy involved when a river moves sediment and erodes its banks is: option d. Kinetic energy. Kinetic energy is the energy associated with motion. A body (in this case the water) that moves has an energy associated with its motion that is proportional to the speed (exactly to the square of the speed). When the water collides with the banks it is the kinetic energy of the river that erodes it Second question: the answer is the option d. As gravity pulls water down a slope potential energy changes to knietic energy. This is the, water loses altitude and gains velocity. The potential energy. which is proportional to the height, decreases and the kinetic energy, which is proportional to the square of the speed, increases.</span>
8 0
3 years ago
Which of the following are not conditions for producing work?
TEA [102]

Answer:D

Explanation:

6 0
3 years ago
Read 2 more answers
Nearsightedness can be corrected by using eyeglass lenses that are
Nat2105 [25]
Concaved lenses...........
3 0
3 years ago
Read 2 more answers
Other questions:
  • The morning after a massive snowstorm, Michaela gets into her car to drive to work. The storm caused her windows to freeze, so s
    13·1 answer
  • Which nucleus completes the following equation?
    5·2 answers
  • Two 10-cm-diameter metal plates 1.0 cm apart are charged to {12.5 nC. They are suddenly connected together by a 0.224-mm- diamet
    11·1 answer
  • The acceleration due to gravity on the Moon is gM. Suppose an astronaut on the Moon drops an object from a height of H. The time
    15·1 answer
  • two clear, colorless liquids are poured together. A bright yellow solid forms. What physical properties have changed?
    8·1 answer
  • Which step is not part of a normal convection cycle?
    14·2 answers
  • Please answer quickly :)
    7·1 answer
  • Which of the following is the best thermal conductor?
    9·1 answer
  • PLZ PLZ PLZ I NEED HELP ASAP I'M STUCK ON THE LAST 7 QUESTIONS IT'S VELOCITY ON A GRAPH!!!!
    12·1 answer
  • Describe what is happening to the speed during the period (I). 0s - 10s __________________________________________________ (II).
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!