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Oksana_A [137]
3 years ago
6

Which one is it?

Biology
1 answer:
Alex73 [517]3 years ago
5 0

Answer:

D.

Explanation:

In humans when the haploid sperm and egg cell join in fertilisation the resulting zygote has a total of 46 chromosomes the correct number to develop. By having gametes which are haploid, when the gametes combine, diploid cells are maintained.

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Explain how parasitism and mutualism are similar and how they are different
Elena-2011 [213]
Paratism is the practice of living as a parasite in or on another organism. Mutualism is the way two organisms of different species exist in which each individual benefits from the activity of the other.
6 0
3 years ago
In rabbits, short hair (S) is dominant over long hair (s). What genotype and phenotype ratios are expected from a cross between
irga5000 [103]

Answer:

Answer:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair          3/4

ss                  1/4          Long hair          1/4

Explanation:

Both are heterozygous for the trait so we can expect that the cross would be:

Ss x Ss

   S     s

S  SS   Ss

s   Ss   ss

So the resulting off-spring would have the following genotype and phenotype:

1 out of 4 will have a genotype of SS.

2 out of 4 or half will have a genotype of Ss.

1 out of 4 will have a genotype of ss.

But because short hair is dominant the phenotype ratios would differ because Ss and SS would express short hair, so we add up their ration:

Short hair: 1/4 + 2/4 = 3/4

Long hair:  1/4

So in summary:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair        

ss                  1/4          Long hair          1/4

Explanation:

7 0
3 years ago
I need some help with this question
AleksAgata [21]

Answer:

the food chain is more stable and lasting

Explanation:

where there is an ecosystem with lots of plants and animals you get a stable food chain. where there are fewer plants and animals most animals have to compete with other animals for food.

8 0
3 years ago
Which characteristics would be present in an air mass that develops over the Canadian Plains near the Arctic Circle?
olya-2409 [2.1K]

la verdad no se la repuesta si me la hubiera sabido si te la hubiera dicho

3 0
2 years ago
Why was it profitable for General Motors and Ford to integrate backward into component-parts manufacturing in the past, and why
Fynjy0 [20]

Answer:

Why was it profitable?

(1) To control the quality of their spare parts.

(2) To reduce cost.

Why do they buy more parts outside?

(1) Inefficient in-house parts manufacturing.

The cost of managing Internal

(2) manufacturing of Automobile parts has increased.

Explanation: General motor and Ford are both world class Automobile manufacturers with several vehicles in every part of the world, General motors have its assembly plant in about 120 countries of the World.

During the early 20th Century they found that the local suppliers were unable to meet their Demand in terms of Quality and quantity and it was very expensive. So they started a backward integration to help regulate the quality,meet their Demand and save cost.

In recent times between the late 20th Century till recent times they buy more parts from external suppliers because the cost of managing Internal manufacturing became high because of labor costs and inefficiency caused by lack of competition and Japanese manufacturers have been able to meet their requirements.

8 0
3 years ago
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