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sashaice [31]
3 years ago
11

Homozygous alleles are also called

Biology
1 answer:
Kruka [31]3 years ago
6 0
Purebred is another word for homozygous
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What environmental changes affected the evolution of reptiles?
valentinak56 [21]
<span>Earth went through a period of hot and also dry conditions and a wide spread drought.These conditions favored reptiles and therefore causing them to evolve during those conditions. Hope this helps :)</span>
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A diagram of a parent hydra and its
IrinaVladis [17]

The <em>Hydra </em>offspring will also have 30 chromosome.

Explanation:

  • Budding is a method of asexual reproduction.
  • Asexual reproduction takes place through mitosis where diploid cells divide to give rise to identical cells with same chromosome number.
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Blood groups are a classic example of ______________ inheritance in humans?
Keith_Richards [23]
<span>There are multiple types of inheritance mechanisms in humans. The well-known ones are include autosomal dominant, where only one copy of the gene is enought for the individual to express that characteristic. Another type is autosomal recessive, in which an individual must receive a copy of the gene from both parents in order for the gene to be expressed. The type concerning blood groups is codominance and it is when two different versions of a gene are expressed. Both of the alleles have a role in the appearance of the characteristic. Both the A blood group and B blood groups are dominant; however, if both alleles are present, the individual has an AB blood group.</span><span />
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3 years ago
3 key factors of Charles Darwin's Theory of natural selection
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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.
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3 years ago
Bacteria are advantageous as well as disadvantageous. why​
11Alexandr11 [23.1K]

Answer:

ADVANTAGES:

Bacteria are involved in production of many food products such as yogurt, cheese, pickles, etc.

Bacteria break down waste material so that our environment is not permanently cluttered with garbage, dead bodies, etc.

Bacteria are responsible for the production of important essential compounds that are necessary for life such as vitamin K production by E. coli in the gut

DISADVANTAGES:

Some bacteria cause infections or produce toxic substances that are a threat to life and/or health.

Bacteria cause spoiling of food so that it does not keep as long as we may desire.

Some bacteria may cause infections of plants, threatening our food supply or ornamental plant.

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