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ale4655 [162]
3 years ago
14

Two fruit flies that are heterozygous for body color and eye color are crossed. Brown body color is dominant to black body color

. Red eye color is dominant to brown eye color. Use the Punnett square to determine the ratio of offspring with: Brown body and red eyes : Brown body and brown eyes : Black body and red eyes : Black body and brown eyes :
Biology
2 answers:
Anarel [89]3 years ago
8 0
In a double cross of two heterozygotes for both traits ( BrBl  Rbx BrBl  Rb) we would get a <span>9:3:3:1 phenotypic ratio.
9 Brown body, red eyes (both dominant traits)
3 brown body, brown eyes (one dominant, one recessive trait)
3 black body, red eyes ( one recessive and one dominant trait)
1 black body, brown eyes ( both recessive traits)</span>
svlad2 [7]3 years ago
6 0

Answer: 9:16, 3:16, 3.16, 1:16

Explanation:

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How does genetic engineering interfere with natural selection?
guajiro [1.7K]
Idk come back later so i can give you that answer
6 0
2 years ago
What is the force of an object that needs a force 4500N to accelerate it at a rate of 5 m/s
babunello [35]

Answer:

The question is somehow not correct, it suppose to be what is the MASS of an object that needs a force 4500N to accelerate it at a rate of 5 m/s as gotten from another website.

The correct answer is 900kg.

Explanation:

To get the mass of the object use the formula

F=Ma

Where F is force

M is mass

a is acceleration.

F= 4500, M=? a=5m/s

4500= M× 5

M=4500/5

M=900kg

Mass is in kg

8 0
2 years ago
________ is the feeling of fullness and satisfaction that typically comes after eating because of signals from the pancreas, liv
Maksim231197 [3]

Satiation is the feeling of fullness and satisfaction that typically comes after eating because of signals from the pancreas, liver, gastrointestinal tract, and brain.

<h3>What is gastrointestinal tract?</h3>

The digestive system's path from the mouth to the anus is known as the gastrointestinal tract (GI tract, digestive tract, alimentary canal). All of the major digestive system organs, such as the esophagus, stomach, and intestines, are located within the GI tract in both humans and other animals. Food that is consumed by mouth is broken down into nutrients and energy, and the leftover waste is ejected as feces at the anus. An adjective describing the stomach and intestines is "gastrointestinal."

To learn more about gastrointestinal tract with the help of given link:

brainly.com/question/25882744

#SPJ4

7 0
1 year ago
Which statement best compares bacteria and fungi? (SC.6.L.14.6)a.Most bacteria and fungi are harmless and may be beneficial to o
BARSIC [14]

Answer:

a.Most bacteria and fungi are harmless and may be beneficial to other living things.

Explanation:

Bacteria and Fungi are two distinct organisms that belong to different class of organisms. Fungi are eukaryotic while bacteria are prokaryotic. Although they both exist in different life forms such as being parasitic, saprophytic etc. most bacteria and fungi species are harmless and may even be beneficial to other living things.

Bacteria and Fungi are beneficial to other organisms in the sense that they form mutualistic relationships with other living organisms. For example, certain species of bacteria helps to fix nitrogen in the root nodules of leguminous plants, while fungi forms a mutualistic relationship with algae called LICHEN where they benefit one another in a way or the other.

7 0
2 years ago
Which of the following pairs of protists and their ecological roles are correctly matched?
melisa1 [442]

Answer:

The correct pair is A: "apicomplexans—parasites of animals"

Explanation:

  • Euglenophyta is a group of unicellular, eukaryotic organisms. They are small, free-living forms, or parasites that present different feeding mechanisms and behaviors, such as heterotrophy, autotrophy, or mixotrophy.
  • Dinoflagellates are unicellular, flagellated, free-living protists that might form colonies. Most of them are autotrophic organisms but some of them are heterotrophic, or mixotrophic. In these last cases, dinoflagellates can feed on other dinoflagellates, protozoans, or diatoms. They can also be parasites.
  • Entamoebas are endoparasitic organisms with no mitochondria as an adaptation of living in environments with low oxygen concentration.
  • Apicomplexa is a unicellular, protist group. They have medical and economic importance as they are<u> animals</u> and human parasites. They have an apical complex that helps them to fixate to the host cell and release a substance that provokes an invagination in the host membrane. This invagination allows the parasite to get into the host cell.
5 0
3 years ago
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