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3 years ago

What are 2 non living things in the tropical rainforest the desert a taiga and chaparral

Biology

2 answers:

Maksim231197 [3]3 years ago

6 0

Carbon dioxide, oxygen, h2o

Veronika [31]3 years ago

4 0

CO2, O2, H2O are all things in the tropical rainforest the desert and chaparral

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MULTIPLE CHOICE I THINK ITS B JUST CHECKING

Lubov Fominskaja [6]

You are right it is b

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3 years ago

during replication, DNA _____. a. remains intact b. makes rna c. is copied d. directs protein synthesis

yanalaym [24]

You must just analyze the words. Replication is a synonym of copy, so the only possible answer is C.

Hope it helped,

Happy homework/ study/ exam!

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3 years ago

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A woman with color-normal vision, but whose father was color blind, marries a man with normal vision. They are expecting a child

kotegsom [21]

To know what happens here, you need to analyze the alleles.

If the father is color blind and the daughter is not, you can suppose that is a recessive allele.

You can tell she is a carrier only, and because we received one sexual allele from each parent. If they ask you about the gender, we can suppose a cross between Xx and XY being lower x the recessive allele (color-blind vision).

When you draw the Punnett square, you'll found the probabilities are XX, XY, Xx, and xY.

So, you have a 50% chance of having a boy and 25% chance of having a color-blind boy.

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3 years ago

What are two examples of nuclei acids?

cricket20 [7]

Answer:

dna

and

rna

are the two types

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3 years ago

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In humans, syndactyly (webbed digits) is inherited by possession of a dominant allele (S). If a man who is homozygous and normal

____ [38]

Answer:

The % of children with webbed digits is $50$ %

Explanation:

Given -

Syndactyly or webbed digits are due to the presence of a dominant allele (S). Then the allele for normal digits would be represented by allele "s"

A normal man with normal digits and genotype "ss" marries a woman with webbed digits and has a hetrozygous genotype i.e "Ss"

If we cross Ss and ss , then the following offspring are produced -

Ss * ss

Ss, Ss, ss, ss

Out of four 2 offspring with genotype ss have normal digits and remaining two offspring with genotype "Ss" have webbed digits. Thus, the % of children with webbed digits is $50$ %

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3 years ago