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kow [346]
3 years ago
9

Over time, organisms change. Sometimes they change so much that descendants may be completely different from their ancestors. Wh

at must happen for this process to occur? A) mutations in egg and/or sperm B) no chance for mutations in sex cells C) organisms die before they have a chance to reproduce D) traits acquired during an organism's lifetime is passed on to offspring
Biology
2 answers:
poizon [28]3 years ago
7 0
A) mutations in egg and/or sperm 
kherson [118]3 years ago
7 0

A) mutations in egg and/or sperm

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Marvin has an exceptional amount of skill in athletics. Specifically, he is an extraordinary hockey player. Throughout his life
s2008m [1.1K]

Answer:

The correct answer is option c."niche-picking".

Explanation:

Niche picking is a psychological term used to describe the tendency of people choosing environments that complement their hereditary abilities, including making friends who share their abilities and interests. Marvin practice of choosing circumstances where he can practice his natural skills in playing hockey is an example of niche picking.

8 0
3 years ago
The difference between modern genetically modified foods and older genetically modified foods is the ______________________ with
LuckyWell [14K]
Speed and precision have been one of the main differences between an older and a more modern genetically modified food. In addition, these genetically modified organisms have yielded crop efficiencies although it also involves in various debates because of its unethical nature.
7 0
3 years ago
Now, assume the individuals with the filled symbols in the kindred have the O blood type, whereas all the individuals with the o
jek_recluse [69]

Answer:

When we talk about the inheritance of traits, or the passage of traits from parents to future generations down the line, we are not just talking about the visual (phenotypical) expression of those traits, but also, their underlying explanation, which is the genotype. A genotype is basically how the genes of the parents combine in such a way that the children inherit a set of traits from the parents, and express them phenotypically, or not.

In the case of blood types, we have four phenotypic groups: A, B and O. Each one of these types is characterized by the underlying set of genes that are responsible for what is expressed. While the O blood type presents a genotype ii, which is recessive, the A and B types will have the following genetic patterns: Ia Ia, or, Ia i (characteristic of the O genetic material) for the A type and: Ib Ib, or Ib i, for the B type. When there is a genetic conjugation from parents genetic material, regarding blood type, we would have these sets of genes combining. In most of the possible combinations genetically speaking, we have the recessive i gene appearing, including in the A and B dominant blood types. This means that when crossed, there will always be a chance of at least one offspring presenting the O blood type, even if one of the parents is dominant A, or B.

In answer: it is the fact that all three types present the recessive allele i, typical of the O blood type, that when pairings of genes happen between parents, the genetic characteristic of the O type may present itself in a dominant fashion, instead of the usual recessive pattern.

4 0
3 years ago
In poultry, black is dominant to white, but the heterozygote is blue. If you consistently
balu736 [363]

Answer:

indeterminate

Explanation:

The answer would be <u>an indeterminate number of generations.</u>

The blue trait is a heterozygous trait. In other words, the blue allele does not really exist. Two different alleles team up to produce the trait, whereas, only two the same allelic conditions can produce a true-breeding flock.

<em>Hence, it will take an indeterminate number of generations to produce a true-breeding flock of the Blue Andalusions.</em>

8 0
3 years ago
4. Where do substrates attach to an enzyme?*
Anna71 [15]

Answer:

A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.

Explanation:

enzymes don't change their own reaction. That's because they don't affect the free energy of reactants or the products.

7 0
3 years ago
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