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babunello [35]
3 years ago
15

What is the first generation in a genetic cross called?

Biology
2 answers:
Alisiya [41]3 years ago
8 0
The first generation in a genetic cross is called B. F1 generation. Then the next generation is known as the F2 generation. Your answer is B. F1 generation
xeze [42]3 years ago
3 0
 <span>An F1 hybrid (or Filial 1 hybrid) is the first filial generation of offspring of distinctly different parental types.F1 hybrids are used in genetics and selective breeding. </span>
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Sperm whales, a(n) species, maintain their populations close to carrying capacity.
soldier1979 [14.2K]
The answer is K-selected.

<span>The population size of K-selected species is fairly constant in time, unlike the population size of r-selected species. r-selected species are usually bellow carrying capacity and the population size is density independent. On the contrary, K-selected species are usually near or at carrying capacity and the population size is density dependent. It can be concluded that sperm whales have K-selected populations, since they </span><span>maintain their populations close to carrying capacity.</span>

4 0
3 years ago
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What animal is BEST adapted to life in the intertidal zone of an ocean biome?
Sveta_85 [38]
<span>a wading shorebird, such as a heron</span>
8 0
3 years ago
It is believed that during the late Cretaceous period sea levels rose drastically resulting in about a third of the Earth's pres
castortr0y [4]

From the information above i believe the answer is C. Hope this helped! have a good day

4 0
3 years ago
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4.
Alja [10]
The answer is the last option. both a and b are correct
6 0
3 years ago
In what way(s) can mRNAs be processed? In what way(s) can mRNAs be processed? By adding caps and tails to the ends of the mRNAs
sergejj [24]

Answer:

<h2>All of the above are ways in which mRNA can be processed.</h2>

Explanation:

DNA is transcribed into pre-mRNA which is further processed into mature mRNA. mRNA be processed by various ways: as at the 5' end of RNA, addition of capping occurs,  and at the 3' end, there is addition of large number of adenosine ( approx 200), known as polyadenylation.

RNA splicing is the process of removal of introns and of addition of exons, through which only coding sequences (exons) remain in the mature mRNA and non coding regions(intron) are removed.

Alternative splicing may produced various type of mRNA from a single type of pre- mRNA.

4 0
3 years ago
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