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Wewaii [24]
3 years ago
13

S the practice of manipulating the genes of offspring through either breeding or genetic alteration.

Biology
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

Eugenics

Explanation:

This is the practise whose objective is to improve  the genome, genetic quality   and composition of  individual organisms of human race. The practise involved the, <u>application of principle of </u><u>selective breeding </u><u>aided with advanced technology,</u> removal of undesired traits (which are regarded as inferior)and retaining or adding  viable, high vigour  traits  (superior)  to the genome of the organism.

Selective breeding is the choosing or careful selection of parents with desirable  traits or quality  and crossing or  mating them  to produce offspring (hybrid) of  good vigour or  desirable characteristic  

It was first used  in 1883 by Sir Francis Galton, who projected that the dynamism   of  human race for the future can be attained by selectively selecting desirable traits in individuals  at the expense  of undesirable ones.He concluded that aristocrats attained their status  because  of good genetic make up compare to the plebeians.

Critics  of this practice  pointed that;

1.it subjected the organisms to abuse  because the principle or laws  guiding the genetic selection depends  political  power of the group operating at the time.

2 it also violate basic human  right with respect to right to reproduce' as the breeder determine when, who and how to reproduce

3. The practise also lead to loss concept of  variation from poor specie diversity because  the random  mechanisms  leading to variation  has been replaced with selectively controlled human efforts

 

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protecting the burned skin so healing can occur is the answer .

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Suppose we were successful in identifying 12 mutants using a screen for identifying conditional mutants of S. cerevisiae in whic
Marina CMI [18]

Answer:

Each mutant would be mated to wild type and to every other mutant to create diploid strains. The diploids would be assayed for growth at permissive and restrictive temperature. Diploids formed by mating a mutant to a wild type that can grow at restrictive temperatures identify the mutation as recessive. Only recessive mutations can be studied using complementation analysis. Diploids formed by mating two recessive mutants identify mutations in the same gene if the diploid cannot grow at restrictive temperature (non-complementation), and they identify mutations in different genes if the diploids can grow at restrictive temperature (complementation).

Explanation:

Recessive mutations are those whose phenotypic effects are only visible in homo-zygous individuals. Moreover, a complementation test is a genetic technique used to determine if two different mutations associated with a phenotype colocalize in the same <em>locus</em> (i.e., they are alleles of the same gene) or affect two different <em>loci</em>.  In diploid (2n) organisms, this test is performed by crossing two homo-zygous recessive mutants and then observing whether offspring have the wild-type phenotype. When two different recessive mutations localize in different <em>loci</em>, they can be considered as 'complementary' since the heterozygote condition may rescue the function lost in homo-zygous recessive mutants. In consequence, when two recessive mutations are combined in the same genetic background (i.e., in the same individual) and they produce the same phenotype, it is possible to determine that both mutations are alleles of the same gene/<em>locus</em>.

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2 years ago
please can somebody help me on my workbook pages it’s due soon! please put your social media down below thank you.
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Explanation:

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2 years ago
In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

5 0
3 years ago
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IRISSAK [1]

Your answer would be D. The possible combinations of alleles in offspring based on the parents genetic makeup. The punnet square is basically used to determine what the outcome of an offspring would be.

4 0
3 years ago
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