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aleksandrvk [35]
3 years ago
9

What happens in meilosis during anaphase 1?

Biology
1 answer:
nikitadnepr [17]3 years ago
6 0
Prophase the nuclear membrane disappears & after that Chromtains coil up & chromosomes are now visibles & lastly spindle fibers come & separate them.
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Which of the following is a major principle upon which cell theory is based? A All cells form by free-cell formation. B All cell
ludmilkaskok [199]
C. All organisms are made of cells.
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Which of the following statements best describes the relationship among horses, donkeys, and mules?a. The horse and donkey are m
ale4655 [162]

Answer:

B. The horse and donkey are not members of the same species because their offspring are sterile.

Explanation:

The horse and donkey aren't members of the same species since the donkey has 62 chromosomes while the horse had 64 chromosomes and members of the same species need to have the same number of chromosomes. This leads to the mule having 63 chromosomes which is an odd number of chromosomes so it is sterile.

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If a diploid cell has 20 chromosomes, how many sister chromatids will be present
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Answer:

92 chromatids

Explanation:

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6 0
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What is the relationship between the TRIPLET CODE and the CODON ??
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Answer:

each nucleotide triplet (called a codon) specifies a particular amino acid. Thus, a nucleotide sequence in the DNA specifies a protein provided that a messenger RNA molecule is produced from that DNA sequence. Each region of the DNA sequence specifying a protein in this way is called a gene.

3 0
3 years ago
both parents are heterozygous for the Huntington's allele. what is the chance that their child will not have Huntington's diseas
iris [78.8K]

Answer:

25% or 1/4

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The cross in this question involves a gene coding for the possession or not of Huntington's disease in humans. The dominant allele is denoted by (H) while the recessive allele is denoted by (h). The possession of the dominant allele by an individual means the possession of the Huntington's disease.

In a cross between two heterozygous parents i.e. combination of both dominant and recessive alleles (Hh). Four possible offsprings will be produced with genotypes HH, Hh, Hh and hh.

The genotypes HH, Hh and Hh will phenotypically possess the Huntington's disease while the hh genotype will not possess the Huntington's disease. Hence, the chance of having a child without the disease is 1/4 or 25%.

4 0
3 years ago
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