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garri49 [273]
2 years ago
9

What kind of mechanisms does the body have to stop mutations from occurring?

Biology
1 answer:
mixer [17]2 years ago
7 0

Answer:

permanent changes in DNA sequence.

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1. Pink flowers are produced from crossing a flower with a red gene and a flower with a white gene. What
Rainbow [258]

Answer:

Incomplete dominance

Explanation:

no allelic gene is dominant over the other..ie no gene masks thee other

3 0
3 years ago
Sunny makes a poster showing the levels of organization in the human body.
Zolol [24]
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
4 0
3 years ago
Read 2 more answers
Explain how fertilization occurs
alex41 [277]
<span>I'm assuming this in plants.

Brief-ish answer:

"Fertilization in plants occurs when pollen grains are transported from anthers to stigma. When ripe pollen from an anther catches on the stigma of the same kind of flower, each pollen grain sends out a small thread-like tube."

Here's a fuller answer:

"</span>Fertilization occurs after pollination, when pollen grains land on the stigma of a flower of the same species. During this time, a series of events take place leading to the formation of seeds. A pollen grain on the stigma develops a tiny tube that runs down the style of the ovary. The pollen tube contains a male gamete which meets the female gamete in the ovule. Fertilization occurs when the two gametes combine and their chromosomes join. The resulting product is a normal complement of chromosomes, with some from either parent flower. The fertilized ovule forms a seed, which consists of a food reservoir and an embryo that later develops into a new plant. In gymnosperms (conifers) male gametes are enclosed in pollen grains and are transmitted by wind or insects to the female reproductive organs. Fertilization in angiosperms (flowering plants) occurs when insects or other animals transport the pollen to the female reproductive organ (pistil).<span>
</span><span>Fertilization is the fusion of gametes to launch the development of a new individual organism. In animals, the process entails the combination of ovum with a sperm, leading to the development of an embryo. Fertilization in plants occurs when haploid gametes meet to create a diploid zygote, which eventually forms an embryo.</span><span>"

source: </span>https://www.reference.com/science/plant-fertilization-occur-ccf48c80e72fc410
5 0
3 years ago
How many times does your heart beat during your lifetime? round the answer to the nearest power of 10 and then express your answ
Firdavs [7]
North component: y = 15.0 m * sin 55.0º = 12.3 m West component: x = 15.0 m * cos 55.0º + 7.00 m = 15.6 m 
so his heading, measured from West, is Θ = arctan(y/x) = arctan0.787 = 38.2º N of West 
and measured from North is φ = arctan(x/y) = arctan(1.27) = 51.8º W of North 
Hope this helps!
7 0
3 years ago
Recall how Alfred Russel Wallace theory compared to Darwin's theory of evolution by natural selection. *who ever answers correct
bearhunter [10]

Alfred Wallace and Charles Darwin where both the theorists behind the natural selection mechanism by which animals evolve to adapt in their environment. Distinctively, Wallace was the co-author of the theory by which his expeditions made him discover the processes that act on how evolution occurs which he relayed to Darwin. However, as both peers in the theory of evolution it seems to have arose that Wallace never became popular on this idea unlike Darwin. 

8 0
4 years ago
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