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Lostsunrise [7]

2 years ago

13

In raindeer black noses B are dominant over red noses b and walking domabst W over fly w. Cross 2 heterozygous reindeer ? What a

re the possible phenotypes and ratios?

1 answer:

saul85 [17]2 years ago

5 0

I got BW, Bw, bW, and bw

you should be able to get all the possible traits because both of them are heterozygous.

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DDT is an insecticide that was formerly used to control insects that would eat crops. It was banned from use in the 1970s.

Reil [10]

<h2>It contains toxins</h2><h2>It killed off bird populations.</h2><h2>It caused harm to human populations.</h2>

Explanation:

Let us understand the term DDT

DDT : Dichlorodiphenyltrichloroethane

This is a crystalline chemical compound
Basically used for protecting insects eating crops
It is colorless, odorless, tasteless
Initially used as pesticides

It killed off bird populations: Though it does not kill birds directly by consuming, it has indirectly damaged the egg by making the egg's shell too thin which gets broken easily.

It controlled diseases like malaria: Since this option talks about positive attribute of DDT, this option stands invalid. This chemical compound controls mosquitoes attacking the crop.

It caused harm to human populations: DDT causes vomiting, tremors or shakiness, and seizures

It contained toxins: It contains moderate toxins.

5 0

2 years ago

Producing light without heat is called___

snow_lady [41]

Answer:

<em>Producing</em><em> </em><em>light</em><em> </em><em>without</em><em> </em><em>heat</em><em> </em><em>is</em><em> </em><em>called</em><em> </em><em><u>Chemiluminescence</u></em><em><u>.</u></em><em><u> </u></em>

Explanation:

<h2>HOPE IT WILL HELP YOU✌✌✌</h2>

4 0

2 years ago

Read 2 more answers

How many ATP equivalents would be consumed by the formation of 6 molecules of palmitoyl-CoA from 6 molecules of palmitate

Katen [24]

12 ATP equivalents. I hoped this helped :)

7 0

1 year ago

Is endoplasmic reticulum found in a plant cell?

Marina86 [1]

Answer:

It can be found in both animal and plant cells.

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function.

5 0

2 years ago

What kind of cell results when a diploid and a haploid gamete fuse during fertilization?

Elena L [17]

Answer:

The correct answer is: a triploid cell.

Explanation:

A triploid cell is the result of the fertilization of a diploid cell and a haploid cell. Triploid cells have 3 sets of chromosomes, diploids have 2 sets, and haploids have only 1 set.

Humans, besides many other species, have diploid cells - one set of chromosomes comes from the mother and the other set of chromosomes comes from the father. <u>In order to maintain this number, </u><u>gametes</u><u> (the sex cells: spermatozoids and oocytes) become haploid through meiosis</u>. This way, when the spermatozoid fertilizes the oocyte, the resulting cell will be diploid.

A gamete being diploid is a result of an <u>error during meiosis</u>, and will most likely generate a triploid cell during fertilization.

A triploid cell, unfortunately, <u>won't be able to survive,</u> so they are almost always spontaneously aborted in the first two weeks of pregnancy.

8 0

2 years ago