Answer:
Phenotype: 2:2 or 1:1 / Genotype: 2:2 or 1:1 / 50% probability for chestnut color
Explanation:
If we put the two horses' genotypes in a Punnett square:
<u> B b</u>
<u>b</u> Bb bb
<u>b</u> Bb bb
The phenotype is describing the ending color of the offspring, where 2 of the 4 will be brown (Bb) and 2 of the 4 will be chestnut (bb), resulting in a 2:2 ratio. Genotype only refers to the alleles, where 2 of the 4 will be hybrid (Bb) and 2 of the 4 will be homozygous recessive (bb), again resulting in a 2:2 ratio. There is only a 50% chance that the offspring's phenotype will be chestnut color (bb) because the chestnut allele is recessive.
Answer:
A prefix.
Examples:
Bio-logy: The prefix bio means life, and the suffix ology means the study/field of. Combined they give the meaning; the study of life.
Hydro-philic: The prefix hydro means water, and the suffix philic means the love of. Combined the give the meaning; water loving.
Astro-logy: The prefix astro means star, and the suffix ology means the study/field of. Combined they give the meaning; the study of stars.
Since we wish to test the null hypothesis that gender and personal goal are independent. Under the said null hypothesis, the expected number of boys that would select "be good at sports" would be the same more or less with the girls that would select "be good at sports". The difference in their means would be set to zero for this null hypothesis.
