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
BARSIC [14]
3 years ago
15

Which of the following best describes what most experts believe about Homo sapiens?

Biology
1 answer:
Oduvanchick [21]3 years ago
8 0
A. they arose out of Africa less than 200,00 years ago
You might be interested in
Sensory nerves are fibers that ?
gregori [183]
Send signals towards the CNS
4 0
3 years ago
Read 2 more answers
How does the cold spring graph differ from the normal weather graph?
MariettaO [177]
The Normal Graph has higher increments of increasing and decreasing; the Cold Spring howeverhas increases and decreases at small amounts, but an overall increase.
6 0
2 years ago
Dr. Roberts examined the cells of four different organisms for the presence of various cellular structures. His observations are
MAVERICK [17]
2 because animals do not have chloroplast or a cell wall
8 0
3 years ago
A recessive gene located on the X chromosome is the cause of one type of colorblindness (denoted by Xc). Let the genotype for no
Alex73 [517]

The scenario will be Son: 25% colorblind daughter: 25% colorblind son: 25% of carrier daughters with normal vision: 25% normal son

<h3>What is color blindness?</h3>

The condition is frequently inherited. Certain eye diseases and medications are also possible causes. Men are more affected than women.

Color blindness is characterized by the inability to distinguish between red and green shades.

A colorblind man's genotype is XcY, and a heterozygous carrier female's genotype is XcX. A cross between XcY and XcX would result in progeny with the following ratio=

Son: 25% colorblind daughter: 25% colorblind son: 25% of carrier daughters with normal vision: 25% normal son.

Thus, the couple is likely to have a son who is half normal and half affected. Similarly, the couple is likely to have 50% normal daughters and 50% colorblind daughters.

For more details regarding color blindness, visit:

brainly.com/question/25621649

#SPJ1

6 0
1 year ago
When clotting factors in the plasma are activated to form a blood? clot, the fluid portion of plasma that remains is known as? _
denis-greek [22]

Answer:

When clotting factors in the plasma are activated to form a blood clot, the fluid portion of plasma that remains is known as <u>serum.</u>

Explanation:

The liquid part of blood is known as the plasma. it makes about 90 per cent of the blood and comprises of antibodies and the clotting factors.

If the clotting factors or the fibrinogens are removed from the plasma, then the fluid that remains is termed as serum. The blood serum contains useful proteins like the albumin and antibodies. The serum is the part of the blood that is mostly used for the diagnostic tests.

6 0
3 years ago
Other questions:
  • Cnidarians such as jellyfish have radial symmetry. how are the body parts of cnidarians arranged?
    14·2 answers
  • For women and men in the 19- to 50-year-old range, the calcium dri is _____ milligrams.​
    8·1 answer
  • Which structure transports water and nutrients from the roots of the rest of the plant
    10·2 answers
  • In this exercise, you will identify when various events occur during the cell cycle. recall that interphase consists of the g1,
    13·1 answer
  • What does it mean when the homeobox genes are said to be highly conserved?
    5·1 answer
  • Most research in sexuality is _____ research. A. Survey research B. Experimental research C. Direct laboratory observations D. C
    7·1 answer
  • Compare diffusion and facilitated diffusion
    7·1 answer
  • How does reusing, reducing and recycling conserve energy
    6·1 answer
  • 2. A certain recessive, lethal gene is carried on the X chromosome. (Lethal genes are those that result in death.) A man marries
    5·1 answer
  • CAN SOMEONE HELP ME PLEASEE
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!