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Lunna [17]
3 years ago
9

What is the normal human body temperature?

Biology
1 answer:
Mars2501 [29]3 years ago
3 0
37 degrees celsius I think. 
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What is the subcutaneous layer that separates the integument from the deep fascia around other organs?
QveST [7]

Answer:

Answer is hypodermis .

Explanation:

The hypodermis which is also known as the subcutaneous tissue layer, is found lying beneath the dermis and act as a passageway or channel through which blood vessels and nerves passed. It is made up of fat and connective tissues.

It acts as an insulator, this, help in keeping the body temperature stable.

3 0
4 years ago
Urgent Help!
Arte-miy333 [17]

Assuming diallelic genes, that express complete dominance, and assort independently, <em>1) </em><em>Genotypic ratio</em><em>=1:2:1. </em><em>Phenotypic ratio</em><em>=3:1 </em><em>/</em><em> 2) </em><em>Parental genotype</em><em>: PpRr. </em><em>Gametes</em><em>= PR, Pr, pR, pr. </em><em>Phenotypic ratio</em><em>: 9:3:3:1</em>

------------------------------

We will assume diallelic genes that express complete dominance. In cases where two or more genes are involved, we will assume they are not linked, and alleles assort independently.

1) <u>FRECKLES</u>

  • F is the dominant allele that codes for freckles
  • f is the recessive allele that codes for no-freckles

Cross: Between a mother and a father who both have freckles and are heter0zyg0us for the trait

Parentals)    Ff    x     Ff

Gametes)   F     f      F     f

Punnett square)     F           f

                      F       FF         Ff

                      f        Ff          ff

F1)  Genotype

  • 1/4 = 25% of the progeny is expected to be h0m0zyg0us dominant, FF
  • 2/4 = 1/2 = 50% of the progeny is expected to be heter0zyg0us, Ff
  • 1/4 = 25% of the progeny is expected to be h0m0zyg0us recessive, ff

     Phenotype

  • 3/4 = 75% of the progeny is expected to express freckles, FF + Ff
  • 1/4 = 25% of the progeny is expected to not express freckles, ff

Genotypic ratio ⇒ 1:2:1

Phenotypic ratio ⇒ 3:1

2) <u>FLOWER COLOR AND SEED SHAPE</u>

<u />

  • P is the dominant allele that codes for purple flowers
  • p is the recessive allele that codes for white flowers
  • R is the dominant allele that codes for round seeds
  • r is the recessive allele that codes for wrinkled seeds

Cross: Between two plants that are heter0zyg0us for flower color and seed shape

Parentals)            PpRr        x         PpRr

Gametes)    PR, Pr, pR, pr          PR, Pr, pR, pr

Punnett square)     PR           Pr         pR           pr

                   PR     PPRR      PPRr     PpRR      PpRr

                   Pr      PPRr       PPrr       PpRr       Pprr

                   pR     PpRR      PpRr      ppRR      ppRr

                   pr      PpRr       Pprr       ppRr       pprr

F1) Genotype

  • 1/16 individuals are expected to be PPRR
  • 2/16 individuals are expected to be PPRr
  • 1/16 individuals are expected to be PPrr
  • 2/16 individuals are expected to be PpRR
  • 4/16 individuals are expected to be PpRr
  • 2/16 individuals are expected to be Pprr
  • 1/16 individuals are expected to be ppRR
  • 2/16 individuals are expected to be ppRr
  • 1/16 individuals are expected to be pprr

       Phenotype

  • 9/16 individuals are expected to have purple flowers with round seeds, PPRR + PpRR + PPRr + PpRr
  • 3/16 individuals are expected to have purple flowers and wrinckled seeds, PPrr + Pprr
  • 3/16 individuals are expected to have white flowers and round seeds, ppRR + ppRr
  • 1/16 individuals are expeceted to have white flowers and wrinckled seeds, pprr.                  

Phenotypic ratio  ⇒ 9:3:3:1

Genotype of parent plant 1: PpRr

  1. Gamete 1: PR
  2. Gamete 2: Pr
  3. Gamete 3: pR
  4. Gamete 4: pr

Genotype of parent plant 2: PpRr

  1. Gamete 1: PR
  2. Gamete 2: Pr
  3. Gamete 3: pR
  4. Gamete 4: pr

<u>            PHENOTYPE                                 GENOTYPE              </u>

purple flowers, round seeds:       PPRR, PpRR, PPRr, PpRr

purple flowers, wrinkled seeds:              PPrr, Pprr

white flowers, round seeds:                    ppRR, ppRr

<u>white flowers, wrinkled seeds:                      pprr                      </u>

<u>            PHENOTYPE                        NUMBER              </u>

purple flowers, round seeds:                 9

purple flowers, wrinkled seeds:             3

white flowers, round seeds:                   3

<u>white flowers, wrinkled seeds:               1                     </u>

------------------------------------

You can learn more about monohybrid and dihybrid crosses at

brainly.com/question/1185199?referrer=searchResults

brainly.com/question/24076691?referrer=searchResults

brainly.com/question/2669862?referrer=searchResults

4 0
3 years ago
Homogeneous nucleation requires more undercooling than heterogeneous nucleation ___ Homogeneous nucleation usually occurs in a w
lora16 [44]

Options: True or False

Answer:

(1) True

(2) False

(3) True

(4) False

Explanation: Nucleation can be described as the process that determines how long an observer has to wait before a new phase occurs,such as the conversion from liquid to gas or vapour or from Solid to liquid.

There are basically two types of Nucleation which includes the HOMOGENEOUS NUCLEATION AND THE HETEROGENEOUS NUCLEATION.

Homogeneous nucleation(nucleation that occurs in the absence of foreign particles) is a type of Nucleation that requires more undercooling than Heterogeneous nucleation, they occur below the freezing temperatures.

Heterogeneous Nucleation (a type of Nucleation that occurs in the presence of foreign particles), it usually takes place at the surface and they usually require less undercooling temperature than Homogeneous nucleation.

8 0
3 years ago
What is the color of a mineral in powdered form is the minerals?
V125BC [204]
Is call the mineral's.
7 0
3 years ago
For each base in the DNA sequence in diagram A, write in the appropriate mRNA base. Then use the genetic code chart to fill in t
Artyom0805 [142]
MRNA bases: AUG AAU UUU AGC GAC
amino acids: Met or start, Aan, Phe, Ser, Asp
6 0
3 years ago
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