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Vikentia [17]
3 years ago
8

Name few pests which damage the crop.

Biology
1 answer:
adelina 88 [10]3 years ago
6 0
Mostly any bug you can think of
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The rough endoplasmic reticulum is a cell structure that consists of folded membranes that contain ribosomes. What is the advant
attashe74 [19]

Answer:

B

Explanation:

The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.

6 0
3 years ago
The testcross makes it possible to determine the genotype of an individual of unknown genotype who exhibits the dominant version
klio [65]

Answer:

All of the above answer choices are correct.

Explanation:

Test cross is done to find out the genotype of an individual displaying dominant phenotype as it can be homozygous or heterozygous. To find this the individual is crossed with a recessive phenotype individual. For example: a dominant trait tall height can be homozygous TT or heterozygous Tt. If it is TT all the offspring of test cross with tt will be tall. If it is Tt half of the offspring will be tall and half of the offspring will be short.

Multiple offspring are required to come to the final result because offspring production happens in random order and it might take a few tries before another type of phenotype is produced. For example: If a test cross produces an individual with dominant phenotype we can still not surely say if the test individual is homozygous or heterozygous because both can produce dominant phenotype in test cross. We need more offspring to check if the recessive phenotype is produced or not and accordingly decide the genotype of test individual.

Hence all of the above answer choices are correct.

6 0
3 years ago
Dihybrid crosses In humans, rolling tongue is dominant over non-rolling and curved thumbs are dominant over straight thumbs. do
madreJ [45]

Answer:

Heterozygous roller/heterozygous curved, heterozygous roller/homozygous straight, homozygous non-roller/heterozygous curved, homozygous non-roller/homozygous straight

Explanation:

4 0
2 years ago
In mendel’s peas, plants homozygous for the recessive allele d are dwarfs. the dominant allele d determines the normal tall phen
Zolol [24]
So, recessive allele 'd' are dwarfs. 
The dominant allele is 'D' determines tall. 
All you have to do is try to cross the alleles together to get either a homozygous or heterozygous remain. So, you should be able to get Dd or DD. 
3 0
3 years ago
I don’t get this can someone explain would be appreciated :)
olga nikolaevna [1]
When completing Punnett Squares, you cross the letters that meet up. For example, their are two TTs and two Tts. Dominant will always show before a recessive so if it's TT or Tt it will be the dominant version. two tt's mean that it's recessive. In a Punnett Square, one box = 25%.

Part A: The genotypic ratio is 50% TT and 50% Tt. The phenotypic ratio is 100% tall.

Part B: The two Tt's could produce a short plant because there is a 25% that the parents will both give t's.
3 0
3 years ago
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