Answer:
The correct answer is explained below:
Explanation:
- According to the question, heterozygous tall, heterozygous axillary plant has the following genotype, TtAa.
- It produces the following gametes: TA, Ta, tA, ta.
- The heterozygous tall, terminal plant has the following genotype: Ttaa
- It produces the following gametes: Ta, ta.
- Crossing them,
TA Ta tA ta
Ta TTAa TTaa TtAa Ttaa
(Tall, Axillary) (Tall, Terminal) (Tall, Axillary) (Tall, Terminal)
ta TtAa Ttaa ttAa ttaa
(Tall, Axillary) (Tall, Terminal) (Short, Axillary) (Short, Terminal)
- The genotypes of the offspring obtained are: TTAa, TTaa, TtAa, Ttaa, ttAa and ttaa respectively.
- The phenotypes obtained are:
- Tall, Axillary = 3.
- Tall, Terminal = 3.
- Short, Axillary = 1.
- Short, Terminal = 1.
Answer:
B. 50%
Explanation2 of the offspring are heterozygous (Yy). 2/4 = 50%
Mafic is your answer I hope this helps
D. The offspring in the second population will have greater genetic variety
This is because since these mice have never reproduced together before, the different genes will reproduce, introducing new genetic variety into the population.
According to disruptive selection, individuals not favored
are those that reproduce less and have middle-sized gametes, while organisms that are favored and have great
traits reproduce more. Disruptive selection is also known as diversifying
selection because this type of selection can divide populations of species. The
organisms with weaker traits eventually separate with the organisms with
stronger traits, and they may be diverse enough to form a separate species.
