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WINSTONCH [101]
3 years ago
10

Comparing the body structures of organisms to find evidence of a shared evolutionary history

Biology
1 answer:
Masja [62]3 years ago
3 0
That is the definition of Comparative anatomy. This study is focused on <span>similarities and differences in the </span>anatomy of different species. It is closely related to evolutionary biology and phylogeny which is part of the large study of the evolution of species. This study is useful because it <span>helps to determine evolutionary relationships between organisms and whether or not they share common ancestors. </span>
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Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and
Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type               possible genotypes

Type A                         AA, AO

Type B                         BB, BO

Type AB                           AB

Type O                              OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO  for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired            homozygous smooth haired

P gen              SS                x               ss

F1 gen.                                Ss

phenotype:                     wire haired

8 0
3 years ago
Hyperextension bends a joint in the opposite direction as flexion. True or false?
kherson [118]
<span>This is true. Extension is the opposite of flexion, they're like antonyms, so hyperextension would be an extension even beyond that, or in this case, it would be in the opposite direction of the flexion of a joint. That is why the answer to this question should be true.</span>
4 0
3 years ago
Read 2 more answers
Which of the following pathogens is classified as non-living?
Travka [436]
The answer is (A) virus. In the medical field, it's considered non-living.
3 0
3 years ago
Read 2 more answers
Please help<br> Its science
avanturin [10]

Answer:its amplify

Explanation:

use answer key up

3 0
3 years ago
1. Answer these questions.
uysha [10]

Answer:

a. Carbohydrates provides energy and regulation of blood glucose.

b. The monomer/building block of a carbohydrate is a monosaccharide.

c. The building blocks of lipids are fatty acids.

d. Some examples can be oils, vitamins, and fats.

e. Lipids store energy.

f.  The building blocks of proteins are amino acids.

g.  Examples of proteins are meat, fish, eggs, and cheese(mainly foods you consume).

h. The building block of a nucleic acids is a nucleotide.

i. The biomolecules that have CHO are carbohydrates and lipids.

j. The quote"You are what you eat" means that it is important to eat good food in order to be healthy and fit.

<u><em>Hope it helps!</em></u>

5 0
2 years ago
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