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Juli2301 [7.4K]
3 years ago
13

Please help me answer this

Biology
1 answer:
Bezzdna [24]3 years ago
8 0

Answer:

answer is D!!!!!!!!!!!

Explanation:

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sergey [27]

Answer:B

Explanation:

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2 years ago
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Explain Mendel's law of independent assortment and how the 9:3:3:1 phenotypic ratio among the F2 of a dihybrid cross provides ev
GrogVix [38]

Answer:

Explanation:

Mendel's law of independent assortment state that two different genes assort independently in gamete formation.

To reach this conclusion, one has to do a dihybrid cross. This means that two genes responsible for different traits need to be analyzed at the same time.

1) Starting with a <u>parental generation of a cross between two pure lines</u> (homozygous for both genes) <u>with different traits</u>, a plant with yellow and round seeds (YYRR) and another with green and wrinkled seeds (yyrr). <u>The F1 will be phenotypically homogeneous (</u>yellow and round)<u>, and genotypically heterozygous (</u><u>YyRr</u><u>)</u>.

2) If the individuals from the F1 are crossed with one another,  we have to do a Punnett Square to determine the phenotypic ratio of the F2.

  • If the genes assort independently, the F1 individuals will produce their different gametes with the same probability. Each possible gamete will appear in a 1/4 proportion: YR, Yr, yR, yr.
  • The 9:3:3:1 ratio is a result of analyzing the possible phenotypes that result from the dihybrid cross.

See the attached image for an illustration of the crosses in each generation and the Punnett Square.

4 0
3 years ago
Can you download webcomics, sign in, go on the profile thing at the bottom, tap on "enter invite code to get coins" and type in
SpyIntel [72]

Answer: SURE :)

Explanation:

8 0
2 years ago
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Which of these is a successful time management strategy
JulsSmile [24]
Where are the answer choices?
6 0
3 years ago
The rotation of Earth on its axis causes _______ and _______. The revolution of the Earth around the sun causes the ______. Ques
natulia [17]

Answer:

1.Day and Night

2.Seasons

5 0
3 years ago
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