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rodikova [14]
3 years ago
5

Why is it necessary for DNA to replicate as the first step in mitosis

Biology
1 answer:
uysha [10]3 years ago
6 0
Interphase: in which it   grows and produces the protiens needed
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The Punnett square shows a cross between two parents. The allele (H) represents the mutated gene that causes Huntington’s diseas
Lelu [443]

Answer:

The disease is autosomal dominant.

Explanation:

Huntigton's disease is an autosomal dominant disease because the allele for this disease is present on an autosomal chromosome and the person with even one mutated allele (H) can develop the disease even if he has one normal allele (h) too. If a person is affected with Huntigton's disease, there are 50 percent chances that the children will also suffer from the disease.


For example: A father is suffering from Huntigton's disease but mother is normal. Let us see how it will be passed to kids.


P1:                                   Hh :           hh

Gametes:                         H :         h:      h:       h

Offspring:                         Hh:       Hh:      hh:        hh

                                               50%        :       50%

Therefore, 50 percent chances are there that the kids will have disease even if only parent suffers from it.

8 0
4 years ago
BILL NYE NUTRITION VIDEO<br> You are made of
Vesna [10]

Answer:

sounds good , but I don't get you

7 0
3 years ago
What sequence of mrna is made from the gene ttacaggtcc? select one:
Kruka [31]
It's most likely C. Aauguccqgg
7 0
4 years ago
In an individual of genotype aa, where are the a and a alleles physically located?.
9966 [12]

Genotypes are the genetic composition of the organism. The alleles for the genotype are located at the genetic loci of the chromosome inherited from each parent.

<h3>What are alleles and genetic loci?</h3>

The alternate version of the genes that code for the hereditary trait and characteristic of the organism giving them the genotype and the phenotype is the alleles.

Genetic loci is the designated position found on the chromosome of the organism possessing the alleles coding for the genotype that can be purebred dominant and recessive, and heterozygous.

Therefore, alleles are physically present on the loci.

Learn more about loci here:

brainly.com/question/15835423

#SPJ4

8 0
2 years ago
Read 2 more answers
A series of events which a cell grows prepares for division and divides to form new daughter cells
8_murik_8 [283]
This could be mitosis or meiosis. Meiosis produces 4 daughter cells while mitosis produces 2 daughter cells. Mitosis is used for every cell except your sperm and egg cells, in which that would be meiosis.
6 0
3 years ago
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