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- [3]
2 years ago
15

Each body cell of a chimpanzee contains 48 chromosomes. After mitosis, how many chromosomes are present in each cell?

Biology
2 answers:
nekit [7.7K]2 years ago
7 0

Answer:

During both mitosis and meiosis, DNA replicates first during S phase of interphase. Each copy (DNA molecule) is called chromatid. Before anaphase they remain together, joined by the centromere in the chromosome.

Part 1: How many chromatids and chromosomes are present at:

(a) anaphase of mitosis: During this phase sister chromatids split. We would have 48 chromosomes in each pole and 48 chromatides.

(b) anaphase I of meiosis: During this phase homologous chromosomes split, being a reductional division. In each pole we will have half the chromosomes we had after DNA replication. This is 24 chromosomes but 48 chromatides (remember they will split during anaphase II).

(c) anaphase II of meiosis: This is an equational division, we will have 24 chromosomes in each pole and 24 chromatides. Each chromatid is considered a chromosome.

(d) G1 prior to mitosis: During this phase DNA has not replicated yet and it is not condensed either. This formed is called chromatin. We will assign one chromatid for each chromosome. This is a somatic cell, so: 48 chromosomes and 48 chromatids.

(e) G2 prior to mitosis: After S phase, we have duplicated all chromosomes. We will assign two chromatids per chromosome: this is 96 chromatides and 48 chromosomes.

(f) G1 prior to meiosis: Before DNA duplication, 48 chromosomes, 48 chromatids.

(g) Prophase of meiosis I: After DNA replication, condensation of the chromatin takes place: 48 chromosomes, 96 chromatids.

Part 2: How many chromatids or chromosomes are present in:

(h) An oogonial cell prior to S phase: This is G1 phase, 48 chromosomes.

(i) A spermatide: This is the male haploid gametid, after meiosis: 24 chromosomes and 24 chromatids.

(j) A primary oocyte arrested prior to ovulation: They are arrested at prophase I of meiosis. This means their DNA is still duplicated and chromatides have not divided yet. 48 chromosomes and 96 chromatids.

(k) A secondary oocyte arrested prior to fertilization: They are halted at metaphase II of meiosis, meaning they have half the chromosomes (24) but chromatids are still together (48).

(l) A second polar body: They suffered the same process as the mature ovum but remained with little cytoplasm. They have 24 chromosomes and 24 chromatids.

(m) A chimpanzee sperm: They have completed both meiosis as well, they have 24 chromosomes and 24 chromatids.  

Explanation:

vodka [1.7K]2 years ago
6 0

Answer:

19

Explanation:

mitosis is 2

You might be interested in
Please help due today I’ll mark brainliest
Zina [86]
I believe it will be 200,000 years
4 0
2 years ago
What is the condition of having gametes of different sizes and shapes? oogamy isogamy anisogamy or monogamy
Flura [38]

The answer your looking for is here anisogamy


8 0
3 years ago
Read 2 more answers
Jessie was conditioned to blink using an air puff and a tone. the experimenter then presented only the tone until the blink resp
kondor19780726 [428]

This is referred to as: spontaneous recovery

Spontaneous recovery is a theory of learning and memory which involves unexpected and recurrence of a conditioned response after a period of reduced response or delay. Spontaneous recovery is associated with classical conditioning and operant conditioning. Extinction will happen quickly after a spontaneous recovery, if the conditioned and unconditioned stimulus is not connected.


6 0
2 years ago
Why can't people carry a normal amount of blood?
musickatia [10]
The reason to why they can't is based their weigh and age the average of blood in an adult is 5 liters same as a child weighing 80 kgs so i think that it would depend on your age and weight  
8 0
3 years ago
How do bacteria causes the infection ?
Tanya [424]
Infection<span> occurs when viruses, </span>bacteria<span>, or other </span>microbes<span> enter your body and begin to multiply. </span>Disease<span> occurs when the cells in your body are damaged as a result of </span>infection<span> and signs and </span>symptoms<span> of an illness appear. Pathogenic </span>microbes<span> challenge the immune system in many </span>ways<span>.</span>
4 0
3 years ago
Other questions:
  • What is the name of the structure that connects the arteriole and venule sides of a capillary bed?
    12·1 answer
  • Why is it necessary for DNA to replicate as the first step in mitosis
    5·1 answer
  • The embryo implants itself to the walls of _________.
    7·1 answer
  • How do glaciers erode by abrasion?
    11·1 answer
  • Two plants are crossed, resulting in offspring with a 3 dominant:1 recessive phenotypic ratio for a particular trait. This ratio
    9·1 answer
  • Explain how the alleles were passed from<br> parents to offspring.
    11·2 answers
  • Which of the following does notaccurately describe fruits? 
    10·1 answer
  • Normal cells die in a nutrient medium containing thymidine and methotrexate, whereas mutant cells defective in thymidylate synth
    12·1 answer
  • How are vascular and non-vascular plants different, and how do each of them work through osmosis?
    6·1 answer
  • Witch statement correct
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!