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3 years ago

Please help !!! For 10 points

Biology

1 answer:

Lera25 [3.4K]3 years ago

7 0

This is in the sexual reproduction section
Chicken reproduce by laying eggs, Amoebae reproduce by dividing two cells

This is in the asexual reproduction
Cherry trees can be grown from cherry seeds, pineapple plants can be grown from stem settings, and hydras reproduce by budding
Hope that helped

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How can independent assortment help explain genetic diversity in humans? Hint: How many pairs of chromosomes are in a human dipl

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Answer:

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Explanation:

Independent assortment states that all alleles are inherited independently of other alleles. This helps diversity because it helps to further the randomization of traits. If traits were always inherited together, as a "package deal", there would naturally be less diversity than the situation that exists.

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3 years ago

What four things are necessary for evolution to take place?

Dvinal [7]

- a living species

- adaptation

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3 years ago

Suppose the human trait for hair type is controlled by a simple dominant and recessive relationship at one locus. Curly hair, C,

myrzilka [38]

Answer:

A) The frequency of the dominant allele, C $= 0.4376$

B) frequency of the heterozygous genotype, Cc $= 0.2461$

Explanation:

Given -

Curly hair, C, is the dominant allele, and straight hair, c, is the recessive allele

Number of students with curly hair is $37$

Thus frequency of genotype "CC"

$= q^{2} = \frac{37}{117} \\= 0.3162$

Thus, frequency of allele "q"

$= \sqrt{0.3162} \\= 0.5623$

As per Hardy Weinberg's first equation-

$p+q=1$

Substituting the value of q, we get -

$p+0.5623=1\\p= 0.4376$

As per Hardy Weinberg's second equation -

$p^2+q^2+2pq=1\\$

Substituting the values of "p" and "q" we get -

$0.4376^{2} + 0.3162+2pq = 1\\2pq = 0.2461\\$

Hence,

A) The frequency of the dominant allele, C $= 0.4376$

B) frequency of the heterozygous genotype, Cc $= 0.2461$

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Select the correct answer from each drop down menu researcher was studying mutations in bateria.he found that certain bateria ha

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A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. This research is an example of evolutionary genetics. The mutation will lead to all the bacteria becoming resistant to the antibiotic.

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Evolutionary genetics examines the relationship between genetic variation and evolutionary change. As a result of the recent expansion in the availability of whole genome sequence data, large amounts of genetic data are being produced at an increasing rate, making programming an indispensable tool for researchers.

The spread of antibiotic resistance among pathogenic bacteria is a straightforward and elegant example of adaptation through natural selection. Through mutations that alter the biological targets of antibiotics or by obtaining resistance genes from other bacteria, microorganisms can develop resistance to antibiotics.

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