Evolution is the change in heritable traits of biological populations over successive generations.
What is evolution of life?
- Evolution has produced the variety of life that exists on Earth today. Since life first emerged on Earth between 3.5 and 4 billion years ago, it has continued to develop.
- At initially, there were just single-celled, primitive species on Earth.
- The first multicellular organisms appeared much later, and as a result, the diversity of life on Earth significantly increased.
- Darwin put out a substantial amount of evidence to back up his idea of evolution by natural selection.
- Evolution is the gradual alteration of a living thing's traits over time. Natural selection is the process of evolution.
- Through their DNA, organisms transmit their traits from one generation to the next.
Learn more about the Evolution with the help of the given link:
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No our galaxy does not contain any planets outside our solar system
Answer:
1: I believe there are 8 (not sure but it’s no more than 8)
2: Sparrow hawk
Why? The sparrow hawk is getting its energy later in the web meaning that most of the energy has been used by other organisms
Answer: The probability that individual 1 is heterozygous is 1.
The probability that individual 3 is heterozygous is 1.
The probability that individual 4 is affected is 0.
Explanation: Since the father was said to be affected, the genotype of the father will be homozygous recessive. Using (A) to represent the dominant allele and (a) to represent the recessive allele, we can say that the father's genotype is aa.
Since the genotype of the mother was not given, we assume that she has wild-type genotype which is homozygous dominant allele because no contrary information was given. We can then say that her genotype is AA.
A cross between aa and AA will produce offspring with genotype Aa only. Therefore, we can conclude that 1 - 4 have heterozygous alleles.
Check the attached image for better illustration.
