Answer:
the sun
Explanation:
the producers would be plants which use photosynthesis to turn energy into food for themselves
the phenomenon of the unequal separation in the meiosis is called as nondisjunction. If the nondisjunction causes the missing chromosome in a haploid gamete, the diploid zygote it forms with the another gamete will then contain only one of the copy of that chromosome from the other parent, this condition is known as monosomy.
The term "monosomy" is used to describe the absence of one of the member of the pair of chromosomes. Therefore, there are about 45 chromosomes in each cell of the body instead of that usual of 46.
Turner syndrome is the only and full monosomy that is seen in the humans — all other cases of the full monosomy are the lethal and the individual will not about survive development.
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Answer:
A) Madison’s parents’ blood types may be either A & 0, or A & A.
B) Depending on her parents’ genotypes, Madison’s genotype may be either AA or A0
Explanation:
Since the A allele is dominant with respect to the 0, a person with blood type A may have either one (A0 genotype) or two A alleles (AA genotype). In contrast, a person with blood type 0 may only have two 0 alleles (00 genotype).
Because one of the sisters has type 0 blood, we have to assume that both of her parents have at least one 0 allele. There are two situations which may give rise to the described scenario (see Punnett squares):
Alternative 1: One of the parents has A blood type (A0 genotype), and the other has 0 blood type (00 genotype). Madison’s genotype may only be A0.
| 0 | 0
——————————
A | A0 | A0
——————————
0 | 00 | 00
Alternative 2: Both parents have A blood type and A0 genotypes. Madison’s genotype may be either A0 (probability of 2/3) or AA (probability of 1/3).
| A | 0
——————————
A | AA | A0
——————————
0 | 0A | 00
The first sentence is true
The antibiotic penicillin is isolated from <u><em>Penicillium notatum</em></u> fungi
Penicillin was first discovered in 1928 and was used at St. Mary's Hospital, London, by Alexander Fleming to heal wounds due to its antibacterial properties.
Explanation:
Fungi and bacteria usually produce antibiotics (as secondary metabolites) for defense mechanism. They do so to limit competition for resources with other neighboring fungi or bacteria in their environment. This is why when a fungus or bacteria establishes itself in an environment, you hardly see other fungi or bacteria types growing in their vicinity.
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