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
romanna [79]
3 years ago
7

What do X and Y chromosomes affect? O A. Whether someone is a female or male O O O B. How many parents a person has. C. The shap

e of a person's thumb. O D. Whether earlobes are attached.​
Biology
1 answer:
babymother [125]3 years ago
3 0

Answer:

b is right

Explanation:

You might be interested in
I need help ! i really don’t get it
Vaselesa [24]

Answer:

The presence of an additional chromosome

Explanation:

Look at "pair" 21. See how there are THREE chromosomes instead of TWO? Normally, there would only be two chromosomes in each pair but this karyotype shows a trisomy (see def. below) of the 21st pair. This was caused by a nondisjunction mutation of the 21st pair. The is also the karyotype of a person with Down's Syndrome.

Definition of Trisomy:

A condition of the presence of three chromosomes in a pair instead of two. This normally causes developmental irregularity.

5 0
3 years ago
The largest and most complex of microorganisms are _____.
Mrac [35]
It is Protozoa because it is not logical for it be any of the other. Hope this helped.
5 0
3 years ago
Which answer is correct?
White raven [17]

Answer:

4

Explanation:

3 0
3 years ago
A human zygote is produced from two gametes that are identical in________
Cerrena [4.2K]

Answer:

C

Hope its helps

Correct me if im wrong

6 0
2 years ago
List the states of matter from least energy to highest energy.<br><br> Solid, liquid, gas.
Kryger [21]
Solid has the least energy, liquid has a the middle amount of energy and gas has the highest amount of energy
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the main functions of lipids?
    11·2 answers
  • One watershed can encompass another watershed.<br><br> True<br> False
    11·1 answer
  • Answer the question below based on the periodic table entry for iodine.
    9·2 answers
  • Penguins can't fly but still have streamlined body why
    14·2 answers
  • What is activation energy
    7·1 answer
  • Which organelle in the table is correctly matched with its function
    9·1 answer
  • I need help , check the highlighted words , thank you ✌.
    10·1 answer
  • A visceral motor neuron whose cell body is within the cns is called a(n)________ neuron. a visceral motor neuron whose cell body
    13·1 answer
  • Our bodies do not make starch, but we often eat plant foods which contain starch which we digest into _____________, the buildin
    10·1 answer
  • Match each root with its meaning.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!