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34kurt
2 years ago
5

Scientists should not repeat experiments to see if their data is reproducible. Please select the best answer from the choices pr

ovided T F
Biology
1 answer:
kramer2 years ago
8 0
Scientists should repeat experiments so it would me false
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What is the difference between lycopodium and equisetum
Wittaler [7]

Lycopodium is a family of fern-allies . They are mostly a flowerless plants with widely branched, with little and simple, needle-like like leaves that cover the branches thickly and stem while Equisetum  usually called horsetail, snake grass because it more like a tail of a horse and its the only living genus in Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds.

6 0
3 years ago
If an adult dog has 78 chromosomes the number of chromosomes in a dogs sperm cell will be
Sergio039 [100]

39

Reproductive cells are haploid (have 1/2 the chromosomes), whereas somatic/body cells are diploid (have the full set of chromosomes)

This makes sense if you think about it. Using the example from the question, every dog has 78 chromosomes. This includes two of each (there are two chromosome 1's, two chromosome 2's, etc. This is visible in the karyotype attached). One set of these chromosomes were inherited from the mother, and one set from the father. Each parent contributed 39 chromosomes (one chromosome 1, one chromosome 2, etc.). If the dog in the question were to have 78 chromosomes in its sperm cells, it would contribute two sets to its offspring. When combined with the chromosomes in the egg cell, the offspring would end up with extra chromosomes. Therefore, both the sperm and the egg cells will have 39 chromosomes, one of each. When combined, they will produce offspring with 78 chromosomes, the proper number.

5 0
2 years ago
Read 2 more answers
The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. Phenoty
Luden [163]
<h2>Answer is option " 2 & 4"</h2>

Explanation:

  • Two types of posterity can be created subsequent to mating: parental and recombinant. Recombinants are created because of the traverse of non-sister chromatids at the hour of gamete arrangement. Here, mating happens between m+g/mg+ female and mg/mg male so the posterity would be separated as follows:  
  • m+g/mg : Parental  
  • mg+/mg : Parental  
  • m+g+/mg : Recombinant  
  • mg/mg : Recombinant  
  • m+g+/mg (wild sort) and mg/mg (smaller than usual wings, garnet eyes) are the recombinants thus they were created because of the hybrid occasion.
  • Hence,the right answer is option 2 & 4 "wild type and miniature wings,garnet eyes"

7 0
3 years ago
Is the sugar maple tree a monocot or dicot?
zhuklara [117]

Answer:

Its a dicot.  

Explanation:

You know because when a seed sprouts it has two cotyledons.  

The branching leaf veins and flower structure also tell you this.

6 0
2 years ago
Read 2 more answers
When the pancreatic duct is blocked what happens to digestion and sugar regulation​
Inessa05 [86]

Explanation:

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5 0
1 year ago
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