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Aleksandr [31]
3 years ago
12

Which diagram accurately represents the relationship between chromosomes, DNA, and genes?

Biology
1 answer:
aniked [119]3 years ago
3 0

Answer:

I'm pretty sure its the 1st one!

Explanation:

Dna are used to make chromosones, which are then uesd to make genes!

Hoped this helped!

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What do you mean exactly
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What must a cell do first to divide successfully? A.duplicate its genetic information B.increase its ratio of surface area to vo
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The first thing a cell needs to do to divide successfully is to "B.increase its ratio of surface area to volume". This allows the cell to reach a "breaking point" at which it can divide into two separate cells. 
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3 years ago
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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
Which statement correctly describes a feature of carrying capacity? A. can only change if the population experiences migration B
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The answer is; E


With environmental changes, the carrying capacity can either increase or decrease. It is important to note that the carrying capacity is the number of individuals of a species that a habitat can sustain indefinitely.  With favorable environmental conditions, the carrying capacity increases while unfavorable environmental conditions decrease the carrying capacity.


6 0
3 years ago
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2. Fill in the chart on the three types of RNA.
Inessa05 [86]

Answer:

Function:

mRNA: mRNA can be described serves intermediate molecule between the genetic material and the amino acids for the making of protein.

rRNA: It makes up the ribosomes along with the ribosomal proteins. Ribosomes are the sites where the process of translation occurs.

tRNA: The tRNA is involved in the bringing of the nucleotides to the ribososmes for translation.

7 0
3 years ago
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