Classify each of the following as homozygous dominant, heterozygous, or homozygous recessive.
a.gg
b.rr
c.tt
d.does not include any dominant alleles
e.does not include any recessive alleles
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Ответ:
Heterozygous:
This means that the organism has a set of alleles which are different from one another. One copy may be for the dominant trait and the other for the recessive one.
Homozygous:
The organism has two copies of the same allele
Dominant:
An allele that will express itself even if only one copy of it is present. These are usually represented by capital letters.
Recessive:
An allele that requires both copies to be expressed. These are usually represented by lower-case letters.
A: Heterozygous
B: homozygous recessive
C: Homozygous dominant
D: Homozygous recessive
E: Homozygous dominant
Ответ:
Populations depend on and compete with each other.
Explanation:
The competition between organisms and species is an interaction where both parties are harmed either by an external factor such as territory, water, food ...
Studies show that competition regulates demographic rates between species in an ecosystem.
And according to evolutionary theory, this competition for an external or internal factor is important for natural selection.
Consequently, competition requires species to adapt to change to survive or they will be in danger of disappearing.