Familial Down syndrome is caused by translocation between human
chromosome 14 and chromosome 21. The translocation is defined as
Reciprocal translocation
0
Simple translocation or one-way transfer

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra

Explain why biological control methods are generally environmentally superior to chemical pest control methods.