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aleksklad [387]
3 years ago
5

The BEST possible way to test the paternity of a child would be to

Biology
2 answers:
GaryK [48]3 years ago
5 0
The answer is D because we already know who the mother is so itll be left to get DNA from the child and the possible father
VLD [36.1K]3 years ago
4 0

Answer:

The answer is "C"  compare a small number of short sequences of DNA that are often the same between the father and the child’s genomes.

Explanation:

Comparing a single marker DNA could be misleading as there are millions of base pairs. Comparing all of them is quite time-consuming and impractical. So the best option is to compare a small number of short sequences of DNA that are often the same between the father and the child’s genomes. that are known to vary among individuals a great deal, and look for a match.

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4. What is an example of positive feedback?
Shtirlitz [24]

Answer:

C

Explanation:

It is known as lactation. The suckling action of an infant produces prolactin, which leads to milk production; more suckling leads to more prolactin, which in turn leads to more lactation. This is a positive feedback system as the product (milk) produces more suckling and more hormone. When the child is no longer breast feeding, the prolactin drops off and milk production goes down.

4 0
3 years ago
At the end of meiosis ll, each of the haploid sex cells had only half the number of chromosomes as the original diploid cell. Wh
tester [92]

Answer:

The cells at the end of meiosis II must have half the number of chromosomes because, if they didn't have, the reunion of both gametes with diploid number of chromosomes for example, in gametes would form twice the number chromosomes.

5 0
2 years ago
Describe the stages of cellular respiration?
babymother [125]
<span>here are three main stages of cellular respiration: glycolysis, the citric acid cycle, and electron transport/oxidative phosphorylation. Glycolysis literally means "splitting sugars.". Glucose, a six carbon sugar, is split into two molecules of a three carbon sugar. Glycolysis takes place in the cell's cytoplasm.</span>
8 0
3 years ago
Regulatory proteins bind to _____. the operator the lactose-utilization genes the regulatory gene RNA polymerase transcription f
jarptica [38.1K]

Answer:

Regulatory gene

Explanation:

Transcription is one of the major processes that occurs during gene expression. It is the transfer of the genetic instructions in DNA to mRNA. A strand of mRNA is made using complementary base pairs.

However, there is need for gene expression to be regulated.

Gene regulation refers to the mechanism that acts to induce or repress the expression of a gene. These include structural & chemical changes to the genetic material, binding of proteins to specific DNA elements to regulate transcription. These proteins that influences transcription by binding to specific nucleotide sequences (DNA segments/gene) are referred to as REGULATORY PROTEINS and those involved in regulating transcription of genes are called TRANSCRIPTION FACTORS.

Regulatory proteins controls the rate and manner of gene expression by binding to specific genes, thus, making it easy or hard for RNA polymerase (enzyme that attaches to DNA to synthesize mRNA molecule) to bind to the promoter of that gene.

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Answer:

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