Answer:
% GENOTYPE
FF = 0%
Ff = 50%
ff = 50%
% PHENOTYPE
Black fur = 50%
Grey fur = 60%
Explanation:
This question involves a single gene coding for fur color in dogs. The allele for grey fur (F) is dominant over the allele for black fur (f). This means that a heterozygous dog (Ff) will have a grey fur.
In this question, a heterozygous female (Ff) is said to cross with a recessive male (ff) i.e. Ff × ff. The following gametes will be produced by each parent:
Ff - F and f
ff - f and f
Using these gametes in a punnet square (see attached image), the following genotypic proportion of offsprings will be produced:
Ff - 1/2 = 50%
ff - 1/2 = 50%
Ff is phenotypically GREY while ff is phenotypically BLACK. This means that 50% of the offsprings will be black and 50% will be grey.
Arwin in 1856 proved that all pigeon breeds do originate from the Rock Dove and through a process of regression you can recreate the Rock Dove, the ancestor of all pigeon breeds. Hopefully that helped
Answer:
remove waste and other harmful substances from the body
Explanation:
Answer:
a)- frontal lobe
Explanation:
Frontal lobe is present at front of each hemisphere and is the largest lobe in mammals. It controls cognitive skills in humans. These skills include judgement, language, emotional expression, problem solving, ability to communicate etc. Hence, it basically controls our personality.
After Zack's brain injury his personality changed. He became more critical and aggressive while earlier he used to be carefree and fun loving. Hence he has likely suffered damage to frontal lobe of his cortex.
All of these choices challenge homeostasis
