Suppose the tail length of two populations of jerboas is controlled by one gene. to determine the mode of inheritance, a homozygous short‑tailed female is crossed with a homozygous long‑tailed male. a short tailed jerboa. a long tailed, long eared jerboa. then, siblings from the f1 are crossed, and the number of short‑ and long‑tailed animals are counted to determine the phenotype ratio. match the phenotypic ratio anticipated in the offspring from a cross of two heterozygous individuals to the appropriate mode of inheritance for the short‑tail allele.

a) If it's autosomal recessive mode of inheritance, the proportion is 3/4 long tail and 1/4 short tail.

b) If the mode of inheritance is autosomal dominant, the proportion is 3/4 short tail and 1/4 long tail.

c) if the mode of inheritance is sex linked dominant, and the man has the  x mutant chromosome, all women in F2 generation will has short tail and 1/2 of men has short tail and 1/2 of men has long tail.  So in order to explain the inheritance in sex linked clarify how is the male chromosomes xy is needed.

Explanation:

In the Po generation, we have a female homozygous mutant with short tail mu/mu which is crossed  with a male homozygous normal with long tail +/+ who get a son +/mu in the F1 generation. If the F1 generation is crossed with a heterozygous we can obtain the next possibilities in the case of autosomal mode of inheritance.

straight fertilizers

mientras se trata la anorexia o la bulimia, es importante buscar ayuda antes que nada. un profesional de la salud mental será el más útil para aquellos que sufren anorexia o bulimia. este es un buen lugar para comenzar, sin embargo, ver a otros profesionales como dietistas registrados, especialistas médicos y dentistas podría ayudar a alguien a recuperarse de un trastorno alimentario. después de la ayuda profesional, o si la ayuda profesional no es una opción, alguien que se recupere de la anorexia o la bulimia debe rodearse de compañeros de apoyo, padres u otros miembros de la familia que también estén comprometidos con el proceso de recuperación.

hope this you! : )

(i popped my answer into google translate so it may be a bit wonky)