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malfutka [58]
3 years ago
11

What is Homeostasis?

Biology
2 answers:
defon3 years ago
5 0
<span>the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.</span>
Eddi Din [679]3 years ago
5 0
<span>the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.</span>
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which of the following is not a characteristic of Arthropods that has attributed to their diversity and success A. endoskeleton
ValentinkaMS [17]
A. endoskeleton

Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.

Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.


6 0
3 years ago
The inheritance of eye color in Drosophila is controlled by genes on each of the fly's four chromosome pairs. One eye-color gene
algol [13]

Answer:

F1 Females  - all wild type

F1 Males  - all wild type

F2 Females  -  - all wild type

F2 Males - 1/2 wild type, 1/2 vermilion

Explanation:

The wild-type allele (Xᵛ⁺) is dominant over vermilion (Xᵛ), which is a sex-linked trait.

Female flies have two X chromosomes, male flies have one X and one Y chromosome.

A homozygous wild-type female fly (Xᵛ⁺Xᵛ⁺) is mated with a vermilion male fly (XᵛY).

The female parent can only produce Xᵛ⁺ gametes.

The male parent can produce either Xᵛ or Y gametes.

When gametes from both parents fuse, the F1 offspring will have the genotypes Xᵛ⁺Xᵛ (females with wild type eyes) and Xᵛ⁺Y (males with wild type eyes).

The F1 females can produce Xᵛ⁺ and Xᵛ gametes. The F1 males can produce Xᵛ⁺ and Y gametes.

When the F1 individuals interbreed, the gametes combine to give rise to the F2 offspring. The possible combination of gametes that will give the different genotypes and phenotypes in the F2 are:

  • Xᵛ⁺Xᵛ⁺ females with wild type eyes
  • Xᵛ⁺ Y males with wild type eyes
  • Xᵛ Xᵛ⁺ females with wild type eyes
  • Xᵛ Y males with vermilion eyes

7 0
3 years ago
Which organelle is not in the cytoplasm? *
Vlad1618 [11]
......Cell membrane
8 0
3 years ago
Read 2 more answers
Everyone in Smurfette’s family has light blue skin, which is the dominant trait for body color in her hometown of Smurf Valley.
Dmitry_Shevchenko [17]

Answer:

All their descendants will be heterozygous for the skin color, Bb, expressing blue skin.

Explanation:

<u>Available data</u>:

  • Smurfette has light blue skin
  • Her family is a "true bred" or "purebred" line.
  • She married a boy who has light yellow skin
  • blue skin is the dominant trait expressed by the B allele
  • yellow skin is a recessive trait, expressed by the b allele

Cross: Smurfette  x  Husband

Parentals)            BB     x     bb

Gametes)          B   B       b     b

Phenotypes) blue skin     yellow skin

Punnett square)

                       B        B

             b      Bb      Bb

             b      Bb      Bb

F1) 100% of the progeny will be heterozygous for the skin color, Bb

     100% of the progeny will be blue-skinned.

Note: Although the progeny is blue-skinned, they are not true-bred anymore.

7 0
2 years ago
11. Why<br> are<br> organisms with more similar amino acid sequences more closely related?
jok3333 [9.3K]

Answer and Explanation:

Because the DNA sequence determines a protein's amino acid sequence, a gene shared by two closely related organisms should have similar, or even identical, amino acid sequences. That's because closely related species most likely diverged from one another fairly recently in the evolutionary span. Thus, they haven't had as much time to accumulate random mutations in their genetic codes.

7 0
3 years ago
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