Question

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Answer 1

Explanation:

2 dihybrid cross = it is a cross between two different genes that differ in two observed traits

monohybrid cross = monohybrid cross is a genetic mix between two individuals who have homozygous genotypes, or genotypes that have completely dominant or completely recessive alleles, which result in opposite phenotypes for a certain genetic trait.

3 metaphase identifying feature in the cell

1 Chromosomes line up at the metaphase plate, under tension from the mitotic spindle. The two sister chromatids of each chromosome are captured by microtubules from opposite spindle poles. In metaphase, the spindle has captured all the chromosomes and lined them up at the middle of the cell, ready to divide

2 anaphase identifying feature in the cell

1 anaphase, the sister chromatids separate from each other and are pulled towards opposite ends of the cell. The protein “glue” that holds the sister chromatids together is broken down, allowing them to separate. Each is now its own chromosome. The chromosomes of each pair are pulled towards opposite ends of the cell

4 ear ossicles ( function )

ossicular chain that connects the tympanic membrane to the oval window of the inner ear. These bones play an important role in audition by amplifying and regulating the sound waves transmitted to the cochlea

Eustachian tube ( function)

eustachian tube (ET) has three physiologic functions. These are (1) pressure regulation, (2) protection of the middle ear from pathogens/foreign material in the nasopharynx, and (3) clearance of the middle ear space [1].

5 Auxin ( function in plants )

Auxin is a plant hormone produced in the stem tip that promotes cell elongation.

DEthylene ( function in plants)

Ethylene is regarded as a multifunctional phytohormone that regulates both growth, and senescence. It promotes or inhibits growth and senescence processes depending on its concentration, timing of application, and the plant species.