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Naya [18.7K]
2 years ago
9

I need help as soon as possible

Biology
1 answer:
icang [17]2 years ago
6 0
I think it’s
1) B
2) B
3) 10ft
4) 40ft
5) 50ft
6) B
Hope this helped
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A young man knows that his grandfather had Huntington disease (genotype Hh). However, his father passed away at the age of 26 wi
Alexus [3.1K]

Answer:

1/4

Explanation:

The reason that the answer is 1/4 is because the young man, his grandfather, his father, and his mother equal 4 people. The young man is 1 person. 1 person/4 people = 1/4.

8 0
3 years ago
What shuffles genes and increases genetic variation in gametes during meiosis, when these homologous pairs are paired up ?
Marizza181 [45]

Meiosis is referred to as reduction division as it divides the chromosome number in half. Crossing over or recombination is the main reason of shuffled genes and increased genetic variation in gametes in meiotic cell division as the homologous pairs are paired up during prophase.

<h3>What is crossing over?</h3>

Crossing over is referred to as the exchange of genes of DNA between paired homologous chromosomes. It actually occurs during the development of egg and sperm cells i.e., during meiosis.

It is an enzyme-mediated step, in which the exchange of genetic material takes place between non-sister chromatids of homologous chromosomes.

It actually occurs at the pachytene stage of prophase I of meiosis cell division.

Thus, it can be concluded that the crossing over is the main reason of shuffled genes and increased genetic variation.

For more details regarding crossing over, visit:

brainly.com/question/19671756

#SPJ1

4 0
1 year ago
Where are chromosomes found in an animal cell? A) inside a gene B) in the cytoplasm Eliminate C) in a strand of DNA D) inside of
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They are found in the Cytoplasm
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The short/ rod-shaped bacteria that produces tetanus, typhoid fever, tuberculosis, and diphtheria is known as ____
natita [175]
The answer would be "Bacilli-<span>Short". </span>
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Please help
Bogdan [553]

Answer:

Protozoans can be parasitic. Malaria is the most significant of the protozoan parasites that infect humans. Malaria is found in tropical and sub-tropical regions of the world. In addition, tropical countries are often affected by poverty, poor sanitation, and inadequate medical facilities. These factors often increase the transmission of parasitic diseases.

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