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GalinKa [24]
3 years ago
12

(True or False) The process of DNA replication results in a copy of the original DNA molecule.

Biology
2 answers:
ikadub [295]3 years ago
5 0
Answer is Ture because DNA replication results in a copy
Blababa [14]3 years ago
4 0

Answer:

True

Explanation:

It does result in a copy of the original molecule

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A couple plans to have a child. the mother is homozygous for an autosomal recessive mutation. the father is heterozygous for the
adoni [48]

<u>Answer</u>:

  • The possible genotypes of the children are Hh and hh.
  • The probability of genotype Hh = 1/2
  • The probability of genotype hh = 1/2

<u>Explanation</u>:

  • <em>Autosomal genes</em> are the genes present on any of the chromosomes except the sex chromosomes.
  • An autosomal recessive mutation is the mutation in an autosomal gene which only expresses itself in the phenotype in homozygous condition and affects both males and female equally.
  • For the given question, let the autosomal gene be represented by H (dominant) and h (recessive)
  • According to the question,

Since the <em>mother</em> is homozygous her genotype would be hh and the <em>father</em> is heterozygous so his genotype would be Hh.

The following cross is made to know the genotypes of the children :

hh X Hh--------> Hh Hh hh hh

So the <em>possible genotypes of the children are Hh and hh as shown in the cross. </em>

Note : An image is attached representing the cross in a Punnett square.

  • The probability of an event = No. of favourable outcomes/total no. of outcomes

The probability of occurrence of genotype Hh would be = 2/4 = 1/2

Similarly, the probability of occurrence of genotype hh would be 2/4 = 1/2



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The answer will be C. Cause Earth to warm up unnaturally


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