answer.
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
AleksandrR [38]
2 years ago
6

Meiosis ensures the transmission of traits from one generation to the next. At the same time, it is a key process that introduce

s genetic variation into the traits that offspring inherit from their parents. In this tutorial, you will explore the genetic context of meiosis. This diagram shows a diploid nucleus (2n=8) in which chromosome replication has occurred in preparation for mitosis (top) and meiosis (bottom). The nucleus at top right is now in prophase of mitosis; the nucleus at bottom right is now in prophase i of meiosis. In the life cycle of an organism, meiosis is paired with the process of fertilization. Understanding the life cycle of an organism is the key to understanding how sexual reproduction ensures the inheritance of traits from both parents and also introduces genetic variation. Meiosis creates gametes (eggs and sperm) with only a single chromosome set (haploid or: from parental cells with two chromosome sets (diploid or 2n).

Biology
1 answer:
rodikova [14]2 years ago
5 0

Answer:

See the explanation below, what is the question you intend to ask anyway?

Explanation:

  • Meiosis transmit traits from one generation to the next. It the  key process that brings genetic variation into the traits that offspring inherit from their parents.  In the life cycle of an organism, meiosis is paired with the process of fertilization.
  • Meiosis produces two daughter nuclei with the same number of chromosomes as the parent cell as each other.The chromosomes are re-grouped during meiosis to form new combinations of genes. Genetic reunion is very important as a source of genetic variation.

You might be interested in
Wolves and hawks are at the same trophic level because they
d1i1m1o1n [39]

Because both eat primary consumers.

6 0
2 years ago
A biologist marked 200 mice, by putting leg bands on them, out of a forest containing an unknown number of mice. The marked mice
Fofino [41]

Answer: The estimated population is 1250 mice

Explanation: The method use was marked and recapture, in which individuals are marked in the first capture and after some time biologist trap a new group of individuals that can be or not marked

Whit this data is possible to estimate the size of a population applying the Peterson method but is important to make some considerations such as:

1. All indivuals have the same probability to be capture

2, The population remain constant in terms of birth and death rate.

Taking this into account, the formula that allows to determine the size of the population is:

N=CM / R  

where N is the size of the population, C is number of indivuals trapped in recapture, M is number of individuals marked in the first capture and R is the number of marked animals trapped in recapture

In this case:

N = 250 * 200 / 40 = 1250

6 0
1 year ago
Which of the following statements best describes the role of hormones in the body? Hormones send chemical signals throughout the
uysha [10]

The right option is; Hormones are the chemical signals, which are sent all through the body to monitor other processes of the body.

Hormones are chemical messengers that are secreted from the endocrine glands, and are released directly into the bloodstream, which transports them to tissues and organs to perform their functions. Different types of hormones act on different body function and processes. Hormones influence the body’s functions, including development and growth, cognitive function and mood, sexual function and reproduction, regulation of body temperature and thirst, and food metabolism.




6 0
2 years ago
Read 2 more answers
PLEASE RESPOND ASAP
stich3 [128]

Answer:

Weight gain and depression are symptoms caused by imbalance of pituitary and adrenal glands and the cortisol hormone.

Explanation:

The pituitary gland is responsible for the overall functioning of the body since it produces a variety of hormones. It is very small in size and is also known as the 'master gland'. It is made of two parts- <u>anterior pituitary gland and posterior pituitary gland</u>. The pituitary gland and its functions are controlled by the hypothalamus.

The anterior pituitary secretes hormones which act on adrenal glands, thyroid, testes and ovaries. The hormones produced are <em>TSH, Prolactin, Luitenizing Hormone, Cortisol, Testosterone</em>, etc.

Cortisol is produced by the <u>adrenal gland</u> under the command of <em>pituitary gland</em>. Cortisol helps in <em>regulating blood sugar, blood pressure</em> and helps in reducing inflammation. Any imbalance of adrenal gland will cause an increase or decrease in the production of cortisol. The symptoms produced on the imbalance are:

  • Obesity in upper body
  • High blood pressure
  • Mood swings, depression and irritability
  • Acne and other skin problems.

8 0
2 years ago
Match each scenario with the correct component of natural selection
Snowcat [4.5K]

Answer and Explanation:

On Average, sea turtles lay about 110 eggs in a clutch. However, only a fraction of the baby turtles make it to the ocean. Then, an even smaller number have offspring of their own - Overpopulation

While all zebras have stripes, no two zebras share the same stripe pattern -Variation

A lemur species called aye-ayes have very long, thin middle fingers that allow them to reach into holes in trees and dig out bugs to eat- Adaptation

6 0
2 years ago
Other questions:
  • A population of rabbits lives in a forest. The habitat features many small spaces for hiding. Over many generations, the average
    7·2 answers
  • Forensic technicians found pollen in the nose of a murder victim. The police believe that the victim had been moved from the mur
    9·2 answers
  • A moss-covered log is overturned by a hungry bear looking for insects to eat. The bear disturbs an ant colony, and some chipmunk
    8·1 answer
  • Let's consider a scenario in which the resting membrane potential changes from −70 mv to +70 mv, but the concentrations of all i
    11·1 answer
  • Which feature is an example of behavioral adaptation? A. turtles’ shells B. nocturnal nature in rodents C. cacti’s ability to st
    10·2 answers
  • A certain machine can output 50 Joules (J) of energy when 100 J of energy are input. If the amount of friction experienced by th
    12·1 answer
  • Briefly describe two ways in which the Hardy-Weinberg equation can be used to get information about a population.
    10·2 answers
  • which organelle converts cellular polymers into monomers? 1)lysosomes 2)golgibody 3)plastids 3)SER​
    11·1 answer
  • What other three things do Volvox also likely lack?
    7·1 answer
  • Name two properties of a good marker and explain why good markers are important.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!