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gogolik [260]
3 years ago
5

·caused by a virus ·Edward Jenner developed a vaccine ·considered to be a biological weapon ·declared disease eradicated in 1980

The disease is A) HIV/AIDS B) measles. C) polio. D) smallpox.
Biology
2 answers:
Dennis_Churaev [7]3 years ago
7 0
Smallpox, he discovered the vaccine for smallpox

stiv31 [10]3 years ago
6 0
The correct answer choice is D, smallpox.
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In summer squash, white fruit (H) is dominant over yellow (h), and the flattened disc-shaped fruit (D) is dominant over the sphe
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a. It is a dihybrid cross

b. 0%

c. 0%

d. 0%

e. 100%

f. 0%

g. 0%

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Explanation:

a. The cross, HHdd x hhDD is a dihybrid cross involving two traits: fruit colour and fruit shape

2. Gametes produced in the cross are given below:

for HHdd= Hd and Hd

For hhDD = hD and hD

Offspring produced in the cross:

All HhDd, which represents white and the flattened disc-shaped fruit white since They are both dominant characters.

b. Percentage of the offspring from this cross expected to have the HHDD genotype = 0%

c. Percentage of the offspring from this cros expected to have the hhDD genotype = 0%

d. Percentage of the offspring from this cross expected to have the HhDd genotype = 0%

e. Percentage of the offspring from this cross are expected to produce white and disc-shaped fruits (HHDD or HhDD or HhDd) = 100%

f. Percentage of the offspring from this cross expected to produce white and spherical fruits (HHdd or Hhdd) = 0%

g. Percentage of the offspring from this cross expected to produce yellow and disc-shape (hhDD or hhDd) = 0%

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