Crossing over is important because (1 point)
It allows for genetic uniformity of gametes.
It allows for more genetic diversity of gametes.
It prevents mutations from entering the gametes.
It allows for even distribution of chromosomes in the gametes.
It allows for more genetic diversity of gametes.
Independent assortment of alleles occurs because of which of the following? (1 point)
Insertion of nitrogenous bases in DNA Haploid arrangement of chromosomes
Random alignment of chromosomes on the equator during metaphase I
Karyotyping
Random alignment of chromosomes on the equator during metaphase I
In pea plants, the trait for purple flowers (P) is dominant over the trait for white flowers (p). If two heterozygous purple plants are crossed, what percentage of the offspring would be expected to have the same phenotype as the parents? (1 point)
25% (1/4) 50% (2/4) 100% (4/4) 75% (3/4)