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
Harrizon [31]
3 years ago
12

If a pair of homologous chromosomes fails to separate during anaphase of meiosis I, what will be the chromosome number of the fo

ur resulting gametes with respect to the normal haploid number (n)?
Biology
1 answer:
Svetach [21]3 years ago
4 0

If a pair of homologous chromosomes fails to separate during anaphase of meiosis I, what will be the chromosome number of the four resulting gametes with respect to the normal haploid number (n)?

a) n + 1; n + 1; n - 1; n - 1

b) n + 1; n + 1; n; n

c) n + 1; n - 1; n; n

d) n + 1; n - 1; n - 1; n - 1

Answer:

a) n + 1; n + 1; n - 1; n - 1

Explanation:

Separation of homologous chromosomes occurs during anaphase-I of meiosis. This event reduces the chromosome number from 2n to "n" in the daughter cells. If a pair of homologous chromosomes do not separate during anaphase-I, both the homologous chromosomes of that pair would be present in one daughter cell of the meiosis-I (n+1) while the other daughter cell would lack that chromosome (n-1).

Meiosis-II would maintain this chromosome number. Therefore, two gametes will have one extra chromosome (n+1) while the two gametes would lack one chromosome (n-1).

You might be interested in
The standardized taxonomic system is important to the scientific community because it provides several advantages. Which of thes
chubhunter [2.5K]

Answer:

Standard taxonomic system is important to the scientific community because it provide several advantages like that organise and classify the organism that organism can be easily categorised it helps to understand the characteristics of a specific organisms, it also benefited to universal recognition that scientific names are standardised and it is accepted universally and it also help to understand the similarities and differences between different species that belonging to the same genera.

(Drawbacks of modern taxonomy) :it is based on physical traits and it is also physically similar and species may not be related and it does not use molecular evidence

5 0
4 years ago
Easy biology question below first correct answer gets brainliest
inn [45]

Answer:

It's probably c?

Explanation:

8 0
3 years ago
How does water and other molecules move across the membrane and in various solutions to maintain homeostasis
Kaylis [27]

Osmosis of Water Across the Membrane. Osmosis is the tendency for water molecules to move from where there is a higher concentration to where there is a lower one. ... The cell membrane helps to regulate and slow down the flow of water into the cell. This is yet another way that the cell membrane helps maintain homeostasis

3 0
3 years ago
Describe how a plant cell is specialized for photosynthesis at
insens350 [35]

Answer:

In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle—the chloroplast. Chloroplasts perform photosynthesis during the daylight hours. The immediate products of photosynthesis, NADPH and ATP, are used by the photosynthetic cells to produce many organic molecules.

5 0
3 years ago
Plant reproduction requires the presence of auxins, as well as a large amount of sugar for energy. Which two main plant tissues
IrinaVladis [17]

Explanation:

The two main plant tissue that works together to release sugar and carry hormones so that reproduction can take place are: The ground and the vascular tissue.

9 0
3 years ago
Read 2 more answers
Other questions:
  • New species develop when??? Please help!
    9·2 answers
  • BIOLOGY NEED HELP DUE TODAY PLZZ!!
    9·1 answer
  • How many chromosomes do the new cells have compared to the parent cell in mitosis?
    15·1 answer
  • Is Reproduction necessary for the survival of an individual
    7·2 answers
  • A man is accused of a brutal beating of a young woman. He claims that he never struggled with her, despite several eyewitnesses
    12·1 answer
  • Biomolecules biology help please
    9·1 answer
  • What is the result of slow movments of tectonic plates
    13·1 answer
  • What effect do enzymes have on chemical reactions?
    6·1 answer
  • Based on the image of rock layers and fossils what can you conclude?
    15·1 answer
  • Science book which of the following evidence that Earth is a sphere ? choose all that apply
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!