Hemophilia is an x-linked recessive disease. under which of the following conditions will a female child inherit hemophilia? both parents must have the hemophilia allele. only the father must have the hemophilia allele. both sets of grandparents must have the hemophilia allele. only the mother must have the hemophilia allele.

Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

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.