BIOLOGY HIGH SCHOOL

Karyotype & Gene Map Analysis: Albinism​
Karyotype & Gene Map Analysis: Albinism​ - 1

Answers

Answer 1
Answer:

The genes involved in albinism are not linked. Gene mapping enables the localization of different genes on specific chromosomes.

Gene mapping and karyotype

Gene mapping refers to the genetic techniques used to establish the locations of specific genes on the chromosomes.

Moreover, a karyotype is a preparation of the set of condensed chromosomes in the metaphase stage, which are ordered according to their length.

In this case, it is possible to conclude that the four genes involved in albinism are not linked because they are found on different chromosomes (chromosomes 11, 15, 9 and 5).

Since albinism is passed from parents to offspring in an autosomal recessive inheritance pattern, a person can receive this trait by receiving two copies (one of each parent) for the four mutated genes involved in albinism.

Learn more about gene mapping here:

brainly.com/question/13769

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Most stars end their lives as which type of star? A. giant
B. white dwarf
C. neutron
D. main sequence

Answers

a white dwarf is the answer

A goat can produce milk containing the same polymers present in the silk produced by spiders when particular genes from a spider are inserted into the goat's genome. Which of the following reasons describes why this is possible?(A) Goats and spiders share a common ancestor and, thus, produce similar protein excretions
(B) The opposite is true, too - when genes from a goat are inserted into a spider's genome, the spider produces goats' milk instead of silk.
(C) The proteins in goats' milk and spiders' silk have the same amino acid sequence
(D)The processes of transcription and translation in the cells of spiders and goats are fundamentally similar.
(E)The processes of transcription and translation in the cells of spiders and goats produce exactly the same proteins anyway.

Answers

Answer:

(D)The processes of transcription and translation in the cells of spiders and goats are fundamentally similar.

Explanation:

The genetic information present in the spider DNA can be inserted, transcribed and translated using similar machineries to that present in spiders. This produces the same protein, but the protein is likely processed and exported differently, meaning it plays different roles in each organism.

This is true for lots of scenarios, scientists frequently insert human genes into mice, and even cells in culture!

What are the living components of the environment that interact within an ecosystem?a. biotic factors
b. abiotic factors
c. density-dependent factors
d. density-independent factors

Answers

I believe it's biotic factors

The number of organisms in a food pyramid decrease as the trophic level

Answers

Normally, the number of organisms in a food pyramid decreases as the trophic level increases. But in some cases, the pyramid may be inverted, for instance, when the productor is a single tree, and beetles eats its leaves, and birds eat the beetles. There is the biomass pyramid too, that represents the amount of mass present in the organisms of the food chain.

Other biologists of Darwin's time had proposed that living things had changed over time. Which feature distinguished Darwin's theory of evolution from the proposals of the other biologists?

Answers

Darwin's Theory

Explanation:

  • Darwin's suggestion that Earth's numerous species are relatives of hereditary species that were not quite the same as the present-day species.
  • The  characterized all the more barely by as an adjustment in the hereditary synthesis of a populace population from generation to generation
  • Charles Darwin (1809–1882) and others, expressing that all types of living beings emerge and create through the regular determination of little, acquired varieties that increase the individual's ability to compete, survive, and reproduce.
  • Darwin's hypothesis of development by regular determination expresses that living things with useful attributes produce more offspring than others.
  • The first planned in Darwin's book name is  "On the Origin of Species" in 1859, by the natural selection is the procedure by which creatures change after some time because of changes in heritable physical or social characteristics.

Answer:

darwin cited examples from nature based on observations he made

Explanation:

I'm the U.S., summer is in June, July, and August because _____.

Answers

During the summer months for the northern hemisphere (the upper half of the earth), the earth is tilted on the axis such that the northern hemisphere is closer to the sun. This is why it experiences more hotter months because of the greater exposure to sunlight. The US is in the northern hemisphere which is why the US has summer months in June, July, and August. 
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