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jek_recluse [69]
3 years ago
11

PLEASE HELP WILL MARK BRAINLEIST!!! 30 POINTS!!!!!!

Biology
2 answers:
olga_2 [115]3 years ago
7 0
Hmph.. I believe its A.
sweet-ann [11.9K]3 years ago
5 0
Hmm i actually think its D

It cant be A because it isn’t following that pattern, if it did then all of them would coil to the right since they have a Dominant allele in them

however sex linked traits can show with just one recessive allele

so D
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12.
kolezko [41]

Answer:Its B

Explanation:All vegation decay releases CO2 , Increasing Greenhouse gasses! , Hope that helped :)!

3 0
3 years ago
Which of the following is true of receptors for dynamic equilibrium?
gulaghasi [49]

Answer:

The correct answer is option D.

Explanation:

Dynamic equilibrium refers to the sense, which interprets angular acceleration in the three-axis of rotation that when combined provides a sense of equilibrium when movement takes place. The receptors for dynamic equilibrium are known as ampulla, maculae are the receptors of static equilibrium.  

The movement of the head does stimulate dynamic equilibrium receptors, as these receptors are situated in the inner ear that moves with the head. The receptors for dynamic equilibrium are situated in the semicircular canals. The receptors for dynamic equilibrium react to rotational forces, as the receptors are located on the three-axis, thus, they can detect rotation, that is, angular momentum.  

7 0
3 years ago
warm water near the equator rises towards the surface, creating a current. what would you expect to happen to this current if th
Zolol [24]
There would no longer be a current
8 0
3 years ago
Read 2 more answers
The image shows the evolution of a species of fish. A few fish from a population developed different social behaviors and evolve
adell [148]

According to the image, the fish underwent sympatric speciation. The new species of fish had mating seasons that were different from that of the original fish. Because of the differences in mating seasons, the fish underwent reproductive isolation. This mode of isolation would be temporal.

Sympatric speciation happens within a population of an organism that gets isolated reproductively due to differences in their mating periods. This time dependent isolation is called temporal isolation. Example, a fish population can split into two if some of the fishes start mating early in the spring while the rest mate late in the autumn. The spring-mating population will not become compatible to mate with the late-autumn-mating population.

7 0
3 years ago
Read 2 more answers
In the paired chromosomes, which pair might have two different chromosomes with very different genetic coding?
Black_prince [1.1K]

Answer: X and Y chromosomes.

Explanation:

<u>Chromosome that differs from other chromosomes (autosomes) in shape, size and behavior are called sex chromosome, allosome, heterochromosome or idiochromosome.</u> These sex chromosomes are typical mammalian allosomes and are sex-determining in species in which sex is determined by the XX-XY system. The presence of the XX allosomes determines female sex, while the XY allosomes are for male sex. These chromosomes contain different genes, where some are only on the X chromosome and others only on the Y chromosome, and a few are on both.

The size of the human X chromosome is 164 million bases and currently has 1,170 genes. It is composed of many repetitive DNA segments that do not code for any protein or their function is not known. Only 1.7% of the chromosome codes for functional proteins that are low in length compared to the average length of a human gene. It has a small number of genes known as housekeeping or constitutive -(responsible for the basic maintenance of the cell) and <u>most of the genes it contains are expressed in few tissues or are tissue-specific, which is especially true for those expressed in brain regions.</u> So, the X chromosome is larger and has more euchromatin regions than the <u>Y chromosome which only has genes that code for male sexual development</u>. Since females have two X chromosomes and males have only one, during development in females one of the X chromosomes is inactivated at random in each tissue to make a dosage compensation. Otherwise, females would be expressing twice as many genes as a male. And through inactivation and dosage compensation, both males and females will express the same number of genes.

3 0
3 years ago
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