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miv72 [106K]
1 year ago
13

Genes A and B are on the same chromosome. If a person has one chromosome with the alleles AB and a second chromosome with the al

leles ab, how could they produce a gamete with a chromosome containing the alleles Ab or aB?
Biology
1 answer:
liberstina [14]1 year ago
8 0

Answer:

Genes and alleles  assort independently during gamete formation. The possible gametes for the following will be: AB, aB, Ab, ab. The alleles will assort independently for each of the genes, hence there are equal chances for a gamete to carry the AB, aB, Ab or ab genes.

As Mendel's studies explained that alleles assort independently into gametes hence there are equal chances for a gamete to carry all the variability.

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In your own words, describe what heredity is and how it works in mice!
maksim [4K]
Heredity is the passing of physical characteristics unto the next generation a mouse for example might have brown fur the mouse he "gets busy with" also has brown fur likely hood of the baby having brown fur is a high likley hood  hence you can say that the baby mouse has brown fur because of the heredity of his parents<span />
8 0
1 year ago
Read 2 more answers
Which statement describes the ability of the cell membrane to allow various substances to move tbrough it?
sweet [91]

The statement that describes the ability of the cell membrane to allow various substance to move through is that the cell membrane is preamble and allows only certain substances to pass through.

Explanation:

The plasma membrane is preamble, hydrophobic molecules and small polar molecules diffuse through lipid layer. The integral membrane proteins enable large polar molecules to pass through the membrane.

Some molecules can cross the membrane like hydrocarbons and oxygen. Whereas the large molecules like glucose and sugars cannot cross. The water pass through lipid.

8 0
1 year ago
g Indicate true (T) and false (F) statements below regarding cytokinesis in animal cells. Choose the correct answer represented
frozen [14]
<h2>Cytokinesis in animal cells</h2>

Explanation:

  • The force for cytokinesis is generated by kinesin motors on microtubule bundles that form the contractile ring:This statement is false because cytokinesis in animal cells starts with the assembly of contractile ring,contractile band consists of actin and myosin(microfilaments) which catalyse cleavage furrow formation
  • As the contractile ring constricts, its thickness increases to keep a constant volume:This statement is false because thickness remains constant
  • The midbody forms from bundles of actin and myosin: This statement is false because contractile ring forms bundles of actin and myosin whereas midbody is formed from microtubules
  • Local activation of Ran GTPase triggers the assembly and contraction of the contractile ring:This statement is false because local activation of Rho mediates profilin binding to actin and helps in assembly and contraction of contractile ring

The four letter string comes out to be FFFF

6 0
2 years ago
In this specimen of onion root cells, what is the amount of time, in minutes, spent in interphase
valkas [14]

Answer:

Approximately it will consume 55% of the total time in the interphase i.e. 800 minutes.

Explanation:

The time required in different phases are as follows:

It takes 800 minutes for interphase

It takes 400 minutes for prophase

It takes 120 minutes for metaphase

It takes 80 minutes for anaphase

It takes 40 minutes for telophase

Total -- 24 hours

From this it can be concluded that around 55% of the time spent in the interphase, whereas only 28% in the prophase, 8% time for metaphase, 6% Anaphase and 3% Telophase. This is all happens in the onion cell but in case of the human cell, prophase it takes about 15 min, in prometaphase it takes 15 mins, metaphase takes in about 20 min, Anaphase takes minimum of 3 min and telophase is about and cytokineses are about less then 10 mins.

8 0
1 year ago
A student measures the length of a glass rod five times and records the data as: a. 23.487 cm b. 23.493 cm c. 23.516 cm d. 23.50
MAVERICK [17]
Percent error is calculated by the expression:

%error = |actual value - observed value| / actual value x 100

We calculate the error of the values as follows:

<span>a. 23.487 cm
% error = |</span><span>23.490  - 23.487| / 23.490 x 100 = 0.013%
</span><span>
b. 23.493 cm
</span>% error = |23.490  - 23.493| / 23.490 x 100 = 0.013%
<span>
c. 23.516 cm
</span>% error = |23.490  - 23.516| / 23.490 x 100 = 0.11%<span>

d. 23.501 cm
</span>% error = |23.490  - 23.501| / 23.490 x 100 = 0.05%<span>

e. 23.477 cm
</span>% error = |23.490  - 23.477| / 23.490 x 100 = 0.055%
6 0
1 year ago
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