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ivanzaharov [21]
3 years ago
12

A genotype 'aa' leads to albinism in peacocks. This condition is very rarely found in nature, compared to the normal genotype, '

AA', and 'Aa'; as they can be easy prey to their predators and are unable to attract mates.Which types of selection forces act here?
A)Directional selection B)Stabilizing selection C)Sexual selection
Biology
2 answers:
irakobra [83]3 years ago
8 0

Answer:

Sexual selection.

Explanation:

Sexual selection may be defined as the mode of natural selection in which the organism of one sex chose mate of the other sex and fight for the mating. The organism that can mate have higher chances of reproductive success than other individual of the population.

The condition of albinism in peacock, reduces the chances of successful mating as it is unable to attract the mates of opposite sex. The peacock with genotype AA and Aa has higher chances of mate attraction and successful reproduction.

Thus, the correct answer is option (C).

earnstyle [38]3 years ago
4 0
I think the answer is (c)
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4 0
3 years ago
In clover plants, the pattern on the leaves is determined by a single gene with multiple alleles that are related in a dominance
igomit [66]

Answer:

The correct answer is -

a. 7

b. 7 (p1p1, p1p2, p1p3, p1p4, p1p5, etc

c. p7 is abundant

Explanation:

According the question the dominance of the big leaves is p7 > p6 >p5 >p4 >p3 >p2 >p1 where 1 represent least dominance and 7 represent most dominance  

let represent the phenotype with the numbers 1 to 7 and genotype with a combination of these numbers so the genotype in respect of phenotype would be :

p7p7,p7p6, p7p5, p7p4, p7p3, p7p2, p7p1 - most dominant 7

p6p6, p6p5, p6p4, p6p3, p6p2, p6p1 - 6

p5p5, p5p4, p5p3, p5p2, p5p1 - 5

p4p4, p4p3, p4p2, p4p1 - 4

p3p3, p3p2, p3p1 - 3

p2p2, p2p1 - 2

p1p1- 1 least dominant

Thus, there are 28 different combinations or patterns of genotypes. 7 phenotypes patterns.

6 0
4 years ago
Which is not a compound?<br> 8H 2<br> 5HCI<br> 6Cao<br> он 20
Nikolay [14]

Answer:

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4 0
3 years ago
Read 2 more answers
Which body system includes vitamin D production and protection against pathogens and excess water loss?
Fantom [35]

Answer:

A. Integumentary system

Explanation:

The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.

The skin also helps in Vitamin D production through sunlight.

It also helps to prevent dehydration through regulation of water loss.

7 0
3 years ago
Could someone help me asap? (photo)
trasher [3.6K]
1. True.

2. Given: Mass = 30 Kg
Acceleration = 2.0m/s2

Force= mass x acceleration
Force= 30Kg x 2.0 m/s2
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3. Given : Mass = 30 Kg
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7 0
4 years ago
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