Why are males more likely to be affected by X-linked traits than females? •Males are homologous and not hemizygous.
•Males have two X chromosomes.
•Males have three alleles for X-linked traits.
•Only one allele is required to express the trait

What do scientists need to look at before developing an argument

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?