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
dexar [7]
3 years ago
11

What is Nondisjunction and when does it happen?

Biology
1 answer:
dimaraw [331]3 years ago
5 0

Answer:

I is when two or more chromosomes fail to separate, which makes daughter cells with abnormal amounts of chromosomes

Explanation:

Your welcome.

You might be interested in
Hiv can be transmitted from mother to fetus, and approximately 1/3 of infected infants will die within a few years of birth. the
Reil [10]
If a woman takes HIV medicines during pregnancy and childbirth and her baby receives HIV medicines for 4 to 6 weeks after birth, the risk of transmitting HIV can be lowered to 2% or less. Most HIV medicines are safe to use during pregnancy, and don't increase the risk of birth defects.

In general, the infected mother should simply stay healthy and intake HIV medicines while she is pregnant.
3 0
3 years ago
Х Flag A lake borders a housing subdivision and a golf course. Over time, algae in the lake begin to grow uncontrollably. Which
Mama L [17]

Answer:

B. runoff of nitrates from fertilizers applied to the golf course

Explanation:

Algal bloom is defined as the rapid growth of algae in freshwater or marine water. Algal bloom is green or yellowish in color that cover the top layer of water systems.

Algal bloom in the given case is caused by the excess of nutrients that is nitrates from fertilizers into waters and higher concentrations of nitrates causes uncontrollable growth of algae.

Algal blooms are harmful for environment as they may produce toxins and can block the sunlight from reaching the plants and animals in the water systems.

Hence, the correct answer is "B. runoff of nitrates from fertilizers applied to the golf course".

7 0
3 years ago
Natural selection is an evolutionary mechanism by which _______.
torisob [31]

Answer: The correct answer for the fill in the blank is B) Advantageous traits become more common in a population.

Theory of natural selection was given by Darwin. This is one of the mechanisms of evolution.

According to this theory, organisms that are better adapted to their environmental conditions survive and increase their population by reproduction. So they pass the advantageous trait to the next generation. In other words, it reflects the survival of the fittest.

Due to this, the advantageous trait becomes more common in the population.

Thus, the correct option is B)

8 0
3 years ago
Read 2 more answers
How would you define the term energy?
timama [110]

energy is property that must be and can be transferred to an object

7 0
3 years ago
Read 2 more answers
A cells relatively constant internal physical and chemical conditions are called
dedylja [7]
This is called Homeostasis
3 0
3 years ago
Other questions:
  • During its annual migration, the red knot, a medium-size shorebird, flies the entire length of north and south america. during o
    12·1 answer
  • Answers to definition
    5·1 answer
  • Select all that apply. What are some of the ways organisms reproduce asexually?
    5·1 answer
  • What kind of energy might be saved up for future use?
    8·1 answer
  • Why did the federal government use a laissez-faire approach to big business?
    8·2 answers
  • 7. Describe the impact of reef erosion on<br> The coral reef community:
    9·1 answer
  • The chaparral biome is generally characterized by its terrain.<br><br><br> True or False?
    15·2 answers
  • What is the significance of the bond that forms to convert ADP to ATP ?
    8·1 answer
  • How does the photolysis of water benefit the biosphere?
    12·1 answer
  • What is photosensithesis?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!