C.DNA <span>because parents transmit copied portions of their own DNA to offspring during reproduction, and because they propagate their traits by doing so. </span>
Answer:
The alleles for MADS-box genes get expressed at different levels. They form the “L” complex and the “SP” complex. These are a group of proteins that determine the shape of the petals. The more they L complex is expressed, the high the probability that the petals of the flower will form the ‘lip’ and the high the SP complex is expressed then the high the likelihood of dominant petals.
Explanation:
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Answer:
Both genes are X-linked.
Explanation:
A female fruit fly with vermilion eyes and normal wings are crossed to a male with normal red eyes and cut wings.
Here you know trait to pay attention to, but you don't know which ones are dominant or recessives.
The F1 progeny consists of females with red eyes and normal wings, and males with vermilion eyes and normal wings.
So, the eye trait switch from female to male, but wing trait continue.
The F2 consists of two types of females:
vermilion eyes, normal wings.
Red eyes, normal wings.
And two types of males:
Vermilion eyes, normal wings.
Red eyes, cut wings.
If all mothers were red eyes and normal wings, and you have all kind of offspring on F2, this tells you it's a X-linked type of gene.
<span>Biofilms of microorganisms, especially cyanobacteria, are found on the outter surfaces of stromatolites.</span>
Take a guess.. I would say (B) or (D)