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A flowering plant of species a has 2n = 14 chromosomes and a related plant of species b has 2n = 12 chromosomes. How many chromosomes might be found in an allotriploid of these two species?

Sagot :

Answer:26

Explanation:To determine the number of chromosomes in an allotriploid resulting from species a and species b, we start by understanding their chromosome counts:

Species a has

2

=

14

2n=14 chromosomes, so

=

7

n=7.

Species b has

2

=

12

2n=12 chromosomes, so

=

6

n=6.

An allotriploid would contain two sets of chromosomes from one species and one set from the other species. Let's calculate the total number of chromosomes in an allotriploid:

Two sets from species a:

2

×

7

=

14

2×7=14 chromosomes.

One set from species b:

1

×

12

=

12

1×12=12 chromosomes.

Therefore, the total number of chromosomes in the allotriploid would be

14

+

12

=

26

14+12=26

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