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oksano4ka [1.4K]
2 years ago
14

The inner layer of the skin is called the

Biology
1 answer:
BartSMP [9]2 years ago
5 0
The epidermis is the 5 top layers, and the dermis is the 2 inner layers
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) When predicting the phenotype of the offspring from a dihybrid cross, why is it so important that each gene is located in a di
Bond [772]

Answer:

a) The genes present on separate chromosomes exhibit indepedent assortment.

b) The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

Explanation:

a) In a dihybrid cross, if the genes are present on the same chromosome, they will not exhibit independent assortment. The genes present on the same chromosome are called linked genes. Linked genes are inherited together. The absence of independent assortment of a linked gene gives more of parental types in F2 progeny. Therefore, if genes are not present on a separate chromosome, Mendel’s ratios deviate.

b) Alleles for tallness and purple flower are dominant. In the progeny, all the plants are tall. This means that the dominant tall plant is homozygous. With respect to flower color, the trait exhibits segregation of dominant and recessive alleles and both purple and white flower progeny are obtained. This makes both the plants heterozygous for the flower color gene.  

The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

7 0
2 years ago
The brain and spinal cord are parts of which body system?
4vir4ik [10]

Answer:

the central nervous system

Explanation:

The nervous system is made up of the central nervous system and the peripheral nervous system: The brain and the spinal cord are the central nervous system.

3 0
2 years ago
Read 2 more answers
Vitamin B12 is important for the body to function. It helps keep nerve cells healthy, and it helps with the formation of red blo
Ugo [173]

Answer:

B12 (cobalamin): Perhaps the most well-known of all the B vitamins, B12 is vital for neurological function, DNA production and red blood cell development. B12 is found naturally in animal sources like meats, eggs, seafood and dairy.

7 0
2 years ago
Transport channels are made of what molecules?
Sauron [17]

Answer:

Proteins.

Explanation:

They are called membrane proteins.

8 0
3 years ago
What do you think will happen to the temperature when the amount of water vapor increases?​
Marysya12 [62]
Increasing water vapor leads to warmer temperatures, which causes more water vapor to be absorbed into the air. Warming and water absorption increase in a spiraling cycle. Hope it helps!
7 0
3 years ago
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