Which process produce two genetically distinct haploid cells

Mangrove forests were traditionally viewed as unhealthy, unproductive environments.<br> t or f

Vadim26 [7]

The answer to your statement is TRUE!!

6 0

2 years ago

The following are steps used to construct a cladogram that best reflects the evolutionary relationships of a group of species. W

svetlana [45]

Answer:

Apply the principle of parsimony

Explanation:

A cladogram is used to show or illustrate hypothetical speciation and relationships between species. They are commonly used to classify animals.

The principle of parsimony argues that the simplest of competing explanations is most likely to be correct.

In order to construct a cladogram that best reflects the evolutionary relationship of a group of species. Application of the principle of parsimony will help in deciding which tree is most likely to have occurred based on the fewest character state changes.

8 0

3 years ago

FILL IN THE BLANKS

s344n2d4d5 [400]

Explanation:

La energía es Consumidor como Animales y Plantas utiliza la energía para los procesos de la vida y se trasforma en Calor

3 0

2 years ago

How are structure and function related in living things?

erica [24]

Answer:

Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does.

The relationship of a structure and function is the structuring levels from molecules to organism ensure successful functioning in all living organism and living system.

7 0

3 years ago

If A/A ⋅ B/B is crossed with a/a ⋅ b/b and the F1 is testcrossed, what percentage of the testcross progeny will be a/a ⋅ b/b if

Alex787 [66]

Answer:

a) 25%; b) 50%; c) 45%; d) 38%

Explanation:

<h3 /><h3>a) Unlinked genes</h3>

A/A B/B X a/a b/b

F1: A/a B/b

Testcross A/a B/b X a/a b/b

The homozygous recessive individual only produces <em>ab</em><em> </em>gametes.

The F1 produces four types of gametes (each of them with a frequency of 1/4): <em>AB</em>, <em>Ab</em>, <em>aB </em>and <em>ab</em>.

25% of the progeny will be a/a b/b.

<h3>b) Completely linked genes</h3>

AB/AB X ab/ab

F1: AB/ab

Testcross AB/ab X ab/ab

The F1 produces only two types of gametes, the parentals (each of them with a frequency of 1/2): <em>AB</em> and <em>ab</em>.

50% of the progeny will be ab/ab.

<h3>c) 10 m.u. apart</h3>

AB/AB X ab/ab

F1: AB/ab

Testcross AB/ab X ab/ab

The F1 produces four types of gametes, the parentals <em>AB</em> and <em>ab </em>and the recombinants <em>Ab</em> and <em>aB</em>.

Since the genes are 10mu apart, 10% of the produced gametes will be recombinant and 90% will be parentals. Since there are two types of parental gametes, each of them has a frequency of 45%.

45% of the progeny will be ab/ab.

<h3>d) 24 m.u. apart</h3>

This is very similar to c).

Since the genes are 24mu apart, 24% of the produced gametes will be recombinant and 76% will be parentals. Since there are two types of parental gametes, each of them has a frequency of 38%.

38% of the progeny will be ab/ab.

5 0

3 years ago