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
Softa [21]
3 years ago
12

Albinism is a recessive trait in humans that is controlled by a single gene. How many recessive alleles must a person have to ha

ve albinism
Biology
2 answers:
Airida [17]3 years ago
7 0

Answer: 2 recessive alleles

Explanation:

Trust me G

APEX

olga_2 [115]3 years ago
6 0
Answer;
Two recessive alleles are the number of alleles that a person must have to have albinism.

Explanation;
When a trait is recessive, such as albinism, an individual must have two copies of a recessive allele to express that particular trait. Recessive alleles are denoted by a lowercase letter , such as b versus B. Only individuals with a bb genotye will express a recessive trait, hence, the offspring must receive one recessive trait from each parent to exhibit the recessive trait. 

You might be interested in
La. Which of the following produces pollutants in the air?
Mekhanik [1.2K]

Answer:

Air Pollutants

Carbon Monoxide.

Lead.

Nitrogen Oxides.

Ozone.

Particulate Matter.

Sulfur Dioxide.

Other Air Pollutants.

3 0
3 years ago
Read 2 more answers
Light needs matter or material to carry light true or false
LenaWriter [7]
False because light can come from natural resources and it doesn’t need materials it just needs to produce itself
4 0
3 years ago
Read 2 more answers
What three processes lead to variation among offspring that have the same two parents?
beks73 [17]

Explanation:

Genetic variation in offspring during sexual reproduction is caused by

  • crossing over
  • independent assortment
  • randomized fertilization

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell.

  • crossing over:  the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.
  • independent assortment in metaphase I of meiosis: chromosomes align independently and genes segregate independently into new combinations ...in humans 2n, n = 23, 8 million combinations of chromosomes possible
  • randomized fertilization: sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

9 0
3 years ago
If you could monitor the activity from the photoreceptors of rods and cones in the retina during a dream, would you expect these
loris [4]

The question is incomplete as it does not have the options which are:

- Yes, because people's eyes move during sleep, and this stimulates the rods and cones.

- No, because rods and cones only convert light energy into electrical signals.

- No, because rods and cones never produce electrical signals.

- Yes, because the rods and cones are reproducing images that are then sent to the brain.

Answer:

No, because rods and cones only convert light energy into electrical signals.

Explanation:

The rod and cone cells are the photoreceptor cells present on the retina of the eye which receives the physical stimulus in the form of light and then converts the light energy into the electrical energy which is sent to the brain.

When we dream, our remains closed and no light is able to enter the eye as a result of which the rods and cones do not send the signals to the brain.

Thus, the selected options are correct.

4 0
3 years ago
The action that moves the scapula towards the head is called __________. the action that moves the scapula towards the head is c
ozzi
Elevation is the answer
6 0
3 years ago
Other questions:
  • Loggerhead sea turtles lay their eggs in nests on the beach. A new hotel is being built on the beach, and there are many big mac
    10·2 answers
  • The carbon cycle is a complex series of processes through which all of the carbon atoms on Earth move through the planet's organ
    10·2 answers
  • Which type of vitamins will be absorbed from the intestine into lacteals (lymphatic capillaries)?
    8·1 answer
  • Isaac Newton is best known for his theories of evolution.<br> O True<br> O False
    10·2 answers
  • Why does dna rely on rna?Why can’t dna deliver the instructions to the ribosomes directly
    15·1 answer
  • 5.<br> Which organelle in a plant cell is responsible for the green color of leaves?
    12·2 answers
  • PLS HURRY 15 PTS AND ILL MARK U BRAINLIEST IF CORRECT
    8·1 answer
  • I NEEED THE ANSWER ASAP PLEASE What is the difference between a sound wave and a light wave? Select all that apply. A A sound wa
    12·1 answer
  • The purpose of a controlled experiment is to allow a scientist to isolate and test?
    10·1 answer
  • Which of the following is the EON in which we now live?A. ArcheanB. PhanerozoicC. DevonianD. Paleozoic
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!