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Vlad1618 [11]
3 years ago
5

Which of the following is a true statement about the theory of evolution?

Biology
1 answer:
LUCKY_DIMON [66]3 years ago
6 0
I would go for D or A! :)
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Need help asap ! please and thank you !
LiRa [457]
I think calcium but i could be wrong
3 0
3 years ago
Two genes (R or r) and (D or d), each with a dominant and recessive allele, are
Andrej [43]

Answer:

B. DR, Dr, Rd, dr

Explanation:

This question involves two genes. Alleles D and R are dominant over alleles d and r. These two genes obey the law of independent assortment as proposed by Gregor Mendel.

Based on the question, a genotype RrDd will produce the following combination of gametes following the process of meiosis:

DR, Dr, dR, dr

8 0
3 years ago
Carl is counting the number of bones in a human skeleton. He counted 198 bones. There are actually 206 bones in the human body.
vazorg [7]

Answer: The percent error is 3.88%

Explanation:

Percent error = [(Actual bones - Counted bones)/ Actual bones] X 100%

= [(206 - 198)/206] X 100%

= [8/206] X 100%

= 3.88%

Thus, Carl's percent error is 3.88%

7 0
3 years ago
Shortly after gastrulation, the body and organs of the embryo begin to form. This process is called?
eimsori [14]

Shortly after gastrulation, the body and organs of the embryo begin to form. This process is called <u>embryogenesis.</u>

<u></u>

  • The process by which an embryo transforms into a fetus is known as embryogenesis.
  • The three germ layers that eventually give rise to the various organs in the animal body are formed as a result of gastrulation.
  • Embryogenesis is the name of this process. As a result of differentiation, organs emerge from the germ layers.
  • The process of creating and growing an embryo from a zygote (zygotic embryogenesis) or a somatic cell is known as embryogenesis (somatic embryogenesis).
  • An incredibly well-organized series of cell division, expansion, and differentiation takes place during embryo development.

learn more about embryogenesis here: brainly.com/question/26087722

#SPJ4

4 0
2 years ago
What is a patent ductus arteriosus? identify two (2) clinical manifestations of patent ductus arteriosus (pda). ati?
Novay_Z [31]
Patent ductus arteriosus occurs when the normal fetal circulation conduit between the pulmonary artery and the aorta fails to close and results in increased pulmonary blood flow. The clinical manifestations of patent ductus arteriosus include; Murmur; wide and bounding pulse pressure, Asymptomatic Heart failure. 
8 0
3 years ago
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