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3 years ago

Help please this is difficult‍♂️

Biology

1 answer:

const2013 [10]3 years ago

8 0

Answer:

Gametes from both dogs are needed to maintain the correct number of chromosome in the offspring

Explanation:

Reproduction in dogs is a sexual process. During the process, haploid gametes from both the male and the female (sperm from males and eggs from females) fuse together in a process known as fertilization in order to produce diploid offspring.

The haploid gametes ensure that the offspring produced during fertilization has the correct (diploid) number of offspring. Because the production of gametes involves meiosis and crossing over of genetic materials between chromosomes, offspring produced by sexual reproduction are usually genetically different from one another. The random fusion of gametes further ensures that offspring from the same parents are different from one another.

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Which of the following are possible results of mutated genes?

Nimfa-mama [501]

Answer:

harmful effect and no effect

Explanation:

No effect: most mutated genes destroy themselves before it gets to far

Harmful effect: an example of harmful effects would be down-syndrome (where you have 3 21-chromosomes and you are only supposed to have 2)

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2 years ago

What is mitosis and why is it important for identical cells to be produced

Ksivusya [100]

Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. Mitosis is important because the organism must:

1. replace cells that have worn out or died

2. repair tissue that is damaged

3. add cells in order to grow

4. make new kinds of cells in order to develop

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3 years ago

A laboratory experiment requires 250 milliliters of water for boiling. It also requires 100 milliliters ofw

lakkis [162]

Answer:

550 milliliters of water is needed.

Explanation:

the student will need 550 milliliters of water for completing the whole experiment. 250 milliliters of water is needed for boiling purpose while on the other hand, 100 milliliters of water is needed for one process which can be repeated three times so the process needs 300 milliliters of water so by combining the 250 milliliters and 300 550 milliliters of water we get 550 milliliters of water for the whole experiment so we can say that the student needs 550 milliliters of water for the experiment.

5 0

2 years ago

How have some living things adapted to their eco system

VARVARA [1.3K]

Answer:

The key to the adaptation of living beings on the planet is the adaptation to abiotic factors such as temperature, light, salinity, humidity; and to biotic factors, which are represented by the action of the other organisms.

Explanation:

6 0

3 years ago

This is an diagram of typical plant cell. The pink arrow is pointing to the _____. What is the function of this structure in a p

Bumek [7]

Answer:

It is the Cell wall.

Explanation:

Please use picture as proof.

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(Would appropriate it.)

5 0

2 years ago