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AveGali [126]
1 year ago
7

in a 3-point cross, crossovers that occur during the formation of which gametes can be scored using the phenotype of f2 progeny?

Biology
1 answer:
JulsSmile [24]1 year ago
7 0

In gametes generated by F1 tri-hybrids and gametes produced by parents from true-breeding populations.

When non-sister chromatids of homologous chromosomes exchange genetic material during meiosis, novel allelic combinations are created in the daughter cells. The locations of three genes in the genome of an organism are identified using a three-point cross. A homozygous recessive individual is crossed with a person who is heterozygous for three mutations, and the progeny's phenotypes are graded. When F1 progeny are self-pollinated, a 3:1 ratio of F2 progeny are created.

To konw more about homologous chromosomes please click on the link brainly.com/question/27258467

#SPJ4

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How do human sex chromosomes keep the numbers of males and females roughly equal?
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Answer:

It is simple mathematics , because sex chromosome XX are found in female and XY in male the remaining 22 pairs are the same in both.

Explanation:

I looked it up. I'm sorry if it's wrong.

3 0
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Why may an infection of the inner ear cause you to lose balance?
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3 years ago
1.What taxon (classification levels) are represented by the scientific name of an organism? What are the rules for writing the s
Ksivusya [100]

<u>Answer</u>:

1.a) Species. It is the lowest taxon and represents the scientific name of the organism.

b) The species name is part of the binomial system of nomenclature developed by Linnaeus.

Thus it is composed of two parts each with its own writing rules (ex. gray wolf - <em>Canis lupus</em>):

A. the genus or generic name

- written first

- always underlined or italicized

- the first letter is always capitalized

ex. <em>Canis</em>

B. the specific epithet or species name

- is written second

- always underlined or italicized

- never capitalized

ex. <em>lupus</em>

<em />

2. The results should always be the same. A dichotomous key is an identification tool based on a series of choices between alternative characters (dichotomous = divided into two parts). Thus, there is no room for subjective observation that may lead to another result. If the morphological traits of the organism are correctly identified, the the result should always be the same. Any differences occur due to errors on the scientist's part.

5 0
3 years ago
Which of the following expresses -7 as m/n in simple form ?
kicyunya [14]

Answer:

A (-7)/(1)

Explanation:

(-7)/(-1) would be a positive 7.

7/1 would be a positive 7.

(-7)/(0) would be 0.

4 0
4 years ago
How do cells behave in a multicellular protist?
Sindrei [870]

Answer:

2.They exhibit cell specialization.

Explanation:

A protist is an eukaryotic organism that can either be unicellular or multicellular. In the multicellular protist i.e. many cells, different types of cells are needed to bring about the organism's life processes. The different types of cells perform a specific different function in the organism.

The way that an organism makes it cells specialized to perform different functions is called Cell Specialization or differentiation. All multicellular organism, including a multicellular protist, contain many cells that have been specialized to perform different functions. Hence, the many cells of a multicellular protist will exhibit specialization in order to perform varying functions in the organism.

7 0
3 years ago
Read 2 more answers
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