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Nimfa-mama [501]
3 years ago
12

NEED HELP ASAP! WILL MARK BRAINLIEST! two different pieces of evidence a scientist might study to better understand evolutionary

changes include _____ and _____
Biology
1 answer:
kodGreya [7K]3 years ago
5 0

Dont know if this is what you are looking for but:

Fossils are often used to study how evolution occurred within a species as well as past geological events that could have separated a population and cause them to develop traits that are different to that of the original species

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a horse has 64 chromosomes and a donkey has 62, using your knowledge of meiosis explain why a cross between these animals produc
Pani-rosa [81]
The horse will give 32 chromosomes and donkey will give 31 chromosomes to the offspring.
The offspring has 63 in total.
 It is odd so it can not produce normal germ cell. So it is sterile.

3 0
3 years ago
analyze the results of a cross between two organisms that are both heterozygous for two different genes (AaBb) use a punnett squ
MissTica
The  cross  of  heterozygous  AaBb as  parental  phenotype led   to  formation  of  16  phenotype   of  the  offspring.This  is  because  this  is  dihybrid   form  of inheritance .The   probability  of  having  aabb   offspring  is  1/16  since   there  is  only  one  aabb  type  of  offspring  phenotype  out  of  the  16.  An  illustration  of  how  crossing  is  done  is  as  per  punnet square  below

6 0
3 years ago
In which situation is the principle of cross-cutting relationships useful in determining relative age?
Rzqust [24]

Answer: Igneous rock forms between sedimentary layers.

This can definitely help in determining relative age because sedimentary rocks will be the older rock than igneous rock as igneous rock has formed between sedimentary rocks

Explanation:

8 0
3 years ago
Which term describes the process by which a single strand of dna serves as a template for the synthesis of an rna molecule?
Alex Ar [27]
This would be transcription.
7 0
3 years ago
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Sever21 [200]

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Valence electrons, or the electrons that are farthest from the nucleus.

5 0
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